Data / Rankings / Housing units / US counties

US counties by housing units

Los Angeles County had the highest housing units of 3135 counties in 2021, at 3.58 million. Loving County had the lowest, at 50. The median was 12,232 and the figure for the United States was 139.65 million. Source: the U.S. Census Bureau.

Keep it in a collection in your library.
Highest3,578,801Los Angeles County
Lowest50Loving County
Median12,2323135 counties
United States139,647,020History

Map of counties, 2021

count, 2021. Hatched areas have no value for this period. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25001: total housing units. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2021

Los Angeles County: 3,578,801 countLos Angeles County3,578,801Cook County: 2,253,936 countCook County2,253,936Harris County: 1,821,640 countHarris County1,821,640Maricopa County: 1,794,248 countMaricopa County1,794,248San Diego County: 1,221,613 countSan Diego County1,221,613Orange County: 1,121,753 countOrange County1,121,753Kings County: 1,067,820 countKings County1,067,820Miami-Dade County: 1,064,991 countMiami-Dade County1,064,991Dallas County: 1,028,817 countDallas County1,028,817King County: 957,123 countKing County957,123Clark County: 910,667 countClark County910,667New York County: 907,018 countNew York County907,018Queens County: 889,744 countQueens County889,744Broward County: 854,965 countBroward County854,965Riverside County: 844,425 countRiverside County844,425Tarrant County: 797,482 countTarrant County797,482Wayne County: 793,207 countWayne County793,207Bexar County: 778,063 countBexar County778,063San Bernardino County: 728,674 countSan Bernardino County728,674Philadelphia County: 720,688 countPhiladelphia County720,688Palm Beach County: 702,877 countPalm Beach County702,877Santa Clara County: 683,510 countSanta Clara County683,510Middlesex County: 653,621 countMiddlesex County653,621Alameda County: 617,045 countAlameda County617,045Cuyahoga County: 616,424 countCuyahoga County616,424Allegheny County: 601,235 countAllegheny County601,235Hillsborough County: 595,841 countHillsborough County595,841Sacramento County: 583,858 countSacramento County583,858Suffolk County: 578,345 countSuffolk County578,345Franklin County: 576,698 countFranklin County576,698Orange County: 554,517 countOrange County554,517Oakland County: 551,642 countOakland County551,642Hennepin County: 550,254 countHennepin County550,254Travis County: 550,078 countTravis County550,078Bronx County: 543,402 countBronx County543,402Pinellas County: 514,666 countPinellas County514,666Fulton County: 487,896 countFulton County487,896Nassau County: 475,728 countNassau County475,728Mecklenburg County: 469,298 countMecklenburg County469,298Pima County: 467,191 countPima County467,191Los Angeles County: 3,578,801 countLos Angeles County3,578,801Cook County: 2,253,936 countCook County2,253,936Harris County: 1,821,640 countHarris County1,821,640Maricopa County: 1,794,248 countMaricopa County1,794,248San Diego County: 1,221,613 countSan Diego County1,221,613Orange County: 1,121,753 countOrange County1,121,753Kings County: 1,067,820 countKings County1,067,820Miami-Dade County: 1,064,991 countMiami-Dade County1,064,991Dallas County: 1,028,817 countDallas County1,028,817King County: 957,123 countKing County957,123Clark County: 910,667 countClark County910,667New York County: 907,018 countNew York County907,018Queens County: 889,744 countQueens County889,744Broward County: 854,965 countBroward County854,965Riverside County: 844,425 countRiverside County844,425Tarrant County: 797,482 countTarrant County797,482Wayne County: 793,207 countWayne County793,207Bexar County: 778,063 countBexar County778,063San Bernardino County: 728,674 countSan Bernardino County728,674Philadelphia County: 720,688 countPhiladelphia County720,688Palm Beach County: 702,877 countPalm Beach County702,877Santa Clara County: 683,510 countSanta Clara County683,510Middlesex County: 653,621 countMiddlesex County653,621Alameda County: 617,045 countAlameda County617,045Cuyahoga County: 616,424 countCuyahoga County616,424Allegheny County: 601,235 countAllegheny County601,235Hillsborough County: 595,841 countHillsborough County595,841Sacramento County: 583,858 countSacramento County583,858Suffolk County: 578,345 countSuffolk County578,345Franklin County: 576,698 countFranklin County576,698Orange County: 554,517 countOrange County554,517Oakland County: 551,642 countOakland County551,642Hennepin County: 550,254 countHennepin County550,254Travis County: 550,078 countTravis County550,078Bronx County: 543,402 countBronx County543,402Pinellas County: 514,666 countPinellas County514,666Fulton County: 487,896 countFulton County487,896Nassau County: 475,728 countNassau County475,728Mecklenburg County: 469,298 countMecklenburg County469,298Pima County: 467,191 countPima County467,191
count. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25001: total housing units. Retrieved 2026-10-12.

Full ranking

RankCounties2021
count
1Los Angeles County3,578,801
2Cook County2,253,936
3Harris County1,821,640
4Maricopa County1,794,248
5San Diego County1,221,613
6Orange County1,121,753
7Kings County1,067,820
8Miami-Dade County1,064,991
9Dallas County1,028,817
10King County957,123
11Clark County910,667
12New York County907,018
13Queens County889,744
14Broward County854,965
15Riverside County844,425
16Tarrant County797,482
17Wayne County793,207
18Bexar County778,063
19San Bernardino County728,674
20Philadelphia County720,688
21Palm Beach County702,877
22Santa Clara County683,510
23Middlesex County653,621
24Alameda County617,045
25Cuyahoga County616,424
26Allegheny County601,235
27Hillsborough County595,841
28Sacramento County583,858
29Suffolk County578,345
30Franklin County576,698
31Orange County554,517
32Oakland County551,642
33Hennepin County550,254
34Travis County550,078
35Bronx County543,402
36Pinellas County514,666
37Fulton County487,896
38Nassau County475,728
39Mecklenburg County469,298
40Pima County467,191
41Wake County454,672
42St. Louis County444,146
43Erie County436,986
44Marion County434,596
45Duval County429,495
46Fairfax County425,294
47Milwaukee County423,363
48Salt Lake County421,276
49Contra Costa County421,239
50Lee County410,239
51San Francisco County404,720
52Montgomery County401,942
53Shelby County400,662
54Collin County392,627
55Westchester County386,583
56Hamilton County378,737
57Macomb County368,224
58Honolulu County367,126
59Bergen County365,609
60DuPage County364,157
61Multnomah County358,675
62Prince George's County356,061
63Pierce County355,970
64Jefferson County354,062
65Oklahoma County349,731
66Worcester County349,131
67Baltimore County348,239
68Suffolk County346,557
69Montgomery County344,516
70District of Columbia344,306
71Denton County339,202
72Fresno County336,509
73Denver County335,131
74Monroe County334,821
75Essex County332,311
76Jackson County327,907
77Gwinnett County326,458
78Essex County325,228
79Davidson County324,727
80DeKalb County323,092
81Snohomish County318,604
82El Paso County314,174
83Middlesex County313,219
84Polk County311,599
85Jefferson County307,607
86Hudson County307,493
87Cobb County306,434
88Kern County299,810
89Bernalillo County298,213
90Baltimore city293,718
91Ocean County292,546
92Ventura County292,220
93Tulsa County290,771
94Hidalgo County290,393
95Norfolk County289,052
96Brevard County286,497
97El Paso County283,726
98San Mateo County282,570
99Providence County275,352
100Fort Bend County271,768
101Volusia County270,402
102Lake County268,508
103Monmouth County267,799
104Kent County262,724
105Arapahoe County259,291
106Bucks County254,740
107Pasco County253,685
108Montgomery County251,995
109Sarasota County249,418
110Will County249,401
111San Joaquin County249,018
112Johnson County248,854
113Jefferson County246,426
114Summit County246,395
115Dane County245,879
116Douglas County242,862
117Bristol County242,312
118Washington County234,852
119Montgomery County233,351
120New Castle County232,162
121Guilford County231,383
122Anne Arundel County231,310
123Williamson County228,770
124Delaware County228,520
125Ramsey County227,279
126Collier County225,093
127Greenville County222,937
128Sedgwick County222,437
129Spokane County221,968
130Lancaster County215,288
131Lake County214,176
132Plymouth County213,262
133Camden County211,830
134Onondaga County210,851
135Knox County209,529
136Union County208,961
137Polk County207,688
138Chester County206,663
139Sonoma County205,136
140Washoe County203,957
141Manatee County202,950
142East Baton Rouge Parish202,782
143Horry County202,427
144Lucas County200,402
145Charleston County198,768
146Hampden County196,596
147Morris County196,559
148Orleans Parish193,376
149Jefferson Parish193,255
150Seminole County192,725
151Ada County192,132
152Clark County192,003
153Pulaski County189,271
154Virginia Beach city189,187
155Kane County187,852
156Utah County187,546
157York County186,414
158Passaic County184,317
159Mobile County184,218
160Burlington County184,042
161Genesee County184,024
162Adams County183,772
163Richmond County183,011
164Stanislaus County182,606
165Richland County180,370
166Marion County175,486
167Hillsborough County174,456
168St. Louis city173,830
169Lake County173,636
170Dakota County171,799
171Pinal County171,384
172Waukesha County170,906
173Placer County170,324
174Berks County170,123
175Clackamas County169,113
176Forsyth County168,778
177Westmoreland County168,007
178Madison County167,859
179Stark County166,742
180Lane County165,271
181Barnstable County164,523
182Hamilton County161,599
183Solano County161,341
184Allen County161,287
185St. Charles County159,589
186Santa Barbara County157,809
187Prince William County156,845
188Larimer County156,030
189Washtenaw County155,927
190Galveston County154,283
191Cameron County153,836
192Butler County153,416
193Nueces County150,840
194Osceola County150,567
195Luzerne County150,547
196Tulare County149,859
197Mercer County149,573
198Lehigh County149,180
199Cumberland County148,178
200St. Lucie County146,077
201Bell County145,962
202Orange County145,947
203Albany County145,388
204Fayette County145,092
205Escambia County144,698
206Monterey County143,094
207Cumberland County142,536
208Durham County142,239
209Sussex County140,731
210Henrico County139,826
211Brazoria County139,707
212Loudoun County139,439
213Boulder County139,302
214Anoka County136,794
215Chesterfield County136,775
216Greene County135,768
217Spartanburg County135,067
218Rockingham County134,453
219Lancaster County134,214
220Lorain County133,599
221Hamilton County132,952
222Douglas County132,519
223Chatham County132,487
224Leon County132,398
225Atlantic County131,505
226Lubbock County131,286
227Somerset County131,225
228Rutherford County127,965
229Buncombe County127,905
230Marion County127,743
231Northampton County126,894
232Lexington County126,768
233Dauphin County125,981
234Winnebago County125,111
235Ingham County124,935
236San Luis Obispo County123,033
237Howard County122,208
238Alachua County121,832
239Baldwin County121,763
240Dutchess County121,674
241Cleveland County120,437
242Thurston County120,086
243Erie County119,941
244Yavapai County119,753
245McHenry County119,465
246Madison County118,518
247Anchorage Municipality118,055
248St. Joseph County117,767
249Arlington County117,546
250Mohave County116,893

Showing the top 250 of 3135. The Excel download has every row.

Other periods

About this ranking

All housing units, occupied and vacant: houses, apartments, mobile homes and rooms intended as separate living quarters. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

A survey estimate averaged over five years, not a count on one date.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. 9 counties with data in other periods have no value for 2021 and are left out rather than filled from another source. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B25001: total housing units. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B25001: total housing units (US counties by housing units, 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat

MLA 9

American Community Survey 5-year estimates, table B25001: total housing units, US counties by housing units, 2021. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat. Invokely, https://invokely.ai/rankings/housing-units/us-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B25001: total housing units. US counties by housing units, 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat. Also distributed by Invokely, https://invokely.ai/rankings/housing-units/us-counties?period=2021.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B25001: total housing units, US counties by housing units, 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat, via Invokely: https://invokely.ai/rankings/housing-units/us-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_us_counties_by_housing_2021,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B25001: total housing units: US counties by housing units, 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/housing-units/us-counties?period=2021. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B25001: total housing units. https://www2.census.gov/programs-surveys/acs/summary\_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B25001: total housing units: US counties by housing units, 2021
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat
L2  - https://invokely.ai/rankings/housing-units/us-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/housing-units/us-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B25001: total housing units. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat. Retrieved 2026-10-12.
ER  -
Embed this chart

Paste this code into a web page or a blog post. The chart shows the latest figures as they are published, with the source and a link back to this page.

Sites that read oEmbed links, such as WordPress, can show the chart when you paste the link to this page.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank US counties by housing units using official data, and cite the source.
rank_places {"indicator":"housing_units","level":"province","within":"United States","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=housing_units&level=province&within=United%20States&limit=10

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

Which county has the highest housing units?

Los Angeles County, with 3.58 million in 2021, according to the U.S. Census Bureau.

Which county has the lowest housing units?

Loving County, with 50 in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B25001: total housing units. Retrieved 2026-10-12. 9 counties have no value for 2021 and are not ranked.

Housing units: other rankings

US counties: more rankings