Data / Rankings / Median age / US counties

US counties by median age

Sumter County had the highest median age of 3144 counties in 2022, at 68.3 years. Madison County had the lowest, at 21.6 years. The median was 41.4 years and the figure for the United States was 38.5 years. Source: the U.S. Census Bureau.

Highest68.3Sumter County
Lowest21.6Madison County
Median41.43144 counties
United States38.5History

Top 40 counties, 2022

CSVChart (SVG)

Sumter CountySumter County: 68.3 years68.3Jeff Davis CountyJeff Davis County: 62 years62Charlotte CountyCharlotte County: 59.9 years59.9Kent CountyKent County: 59.9 years59.9Catron CountyCatron County: 59.5 years59.5Jefferson CountyJefferson County: 59.4 years59.4Menard CountyMenard County: 59.4 years59.4Mora CountyMora County: 59.4 years59.4Alcona CountyAlcona County: 59.3 years59.3Dolores CountyDolores County: 59.2 years59.2Lancaster CountyLancaster County: 59.2 years59.2Ontonagon CountyOntonagon County: 59.2 years59.2Quitman CountyQuitman County: 59.1 years59.1Northumberland CountyNorthumberland County: 59 years59Custer CountyCuster County: 58.1 years58.1Highland CountyHighland County: 58 years58McCormick CountyMcCormick County: 57.9 years57.9Wheeler CountyWheeler County: 57.8 years57.8Blaine CountyBlaine County: 57.7 years57.7Terrell CountyTerrell County: 57.7 years57.7Meagher CountyMeagher County: 57.6 years57.6Llano CountyLlano County: 57.4 years57.4La Paz CountyLa Paz County: 57.3 years57.3Keweenaw CountyKeweenaw County: 57.2 years57.2Sarasota CountySarasota County: 57.1 years57.1Roscommon CountyRoscommon County: 57 years57Citrus CountyCitrus County: 56.9 years56.9Hinsdale CountyHinsdale County: 56.9 years56.9Carter CountyCarter County: 56.8 years56.8Curry CountyCurry County: 56.8 years56.8Custer CountyCuster County: 56.8 years56.8Ouray CountyOuray County: 56.8 years56.8San Juan CountySan Juan County: 56.5 years56.5Hamilton CountyHamilton County: 56.4 years56.4McPherson CountyMcPherson County: 56.3 years56.3Towns CountyTowns County: 56.3 years56.3Wahkiakum CountyWahkiakum County: 56.3 years56.3Aitkin CountyAitkin County: 56.2 years56.2Montmorency CountyMontmorency County: 56.2 years56.2Iron CountyIron County: 56.1 years56.1
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2022
years		Change on 2021
1Sumter County68.3+0.2
2Jeff Davis County62+1.5
3Charlotte County59.9+0.2
3Kent County59.9+13.1
5Catron County59.5-0.3
6Jefferson County59.4+0.1
6Menard County59.4+1.3
6Mora County59.4+0.5
9Alcona County59.3+0.6
10Dolores County59.2+0.6
10Lancaster County59.2+2.1
10Ontonagon County59.2+0.2
13Quitman County59.1+1.6
14Northumberland County59-0.8
15Custer County58.1-0.9
16Highland County58+1.5
17McCormick County57.9+1
18Wheeler County57.80
19Blaine County57.7-0.1
19Terrell County57.7+3.5
21Meagher County57.6+1.3
22Llano County57.4+0.4
23La Paz County57.3+0.2
24Keweenaw County57.2-0.4
25Sarasota County57.1+0.6
26Roscommon County57+0.4
27Citrus County56.9+0.1
27Hinsdale County56.90
29Carter County56.8+0.6
29Curry County56.8+0.6
29Custer County56.8+1
29Ouray County56.8+2.4
33San Juan County56.50
34Hamilton County56.40
35McPherson County56.3+0.2
35Towns County56.3+3.5
35Wahkiakum County56.3-0.4
38Aitkin County56.2+0.4
38Montmorency County56.2-0.2
40Iron County56.1+0.8
40Presque Isle County56.1+0.3
40Wheeler County56.1+4.2
43Union County55.9+0.2
44Brunswick County55.7+0.5
44Hickory County55.7+0.9
44Storey County55.7+1.8
47Boyd County55.6+0.1
48Custer County55.5+2.1
49Huerfano County55.40
49Sierra County55.4+0.1
51Vilas County55.3+0.3
52Leelanau County55.2+0.5
53Adams County55.1+0.6
54Esmeralda County55-0.8
54Sullivan County55+0.5
56Golden Valley County54.9+0.4
56Middlesex County54.9+0.1
56Sierra County54.9+9
59Indian River County54.8+0.6
60Fall River County54.7+0.4
60Granite County54.7+0.1
60Mineral County54.7+3.9
60Pacific County54.7+0.3
60Sanders County54.7+0.3
65Stone County54.6+0.4
66Barnstable County54.5+0.6
66Yavapai County54.5+0.3
68Adams County54.4-0.3
68Burnett County54.4+1
70Madison County54.3+0.3
70Treasure County54.3-1.2
72Pamlico County54.2+0.1
72Polk County54.2+0.2
74Banner County54.1-0.4
74Benton County54.1+0.4
74Clay County54.1+0.6
74Florence County54.1-0.3
74Highlands County54.1+0.4
74Sabine County54.1+0.2
74Slope County54.1+2
81McCone County54+1.5
82Hardin County53.9+0.6
83Carroll County53.8+0.2
83Fannin County53.8+0.9
85Boise County53.70
85Mathews County53.7+0.3
87Bayfield County53.6+0.8
87Door County53.6+0.3
87McIntosh County53.6+0.4
90Douglas County53.5+0.5
91Bandera County53.4+0.8
91Iron County53.4+0.2
93Lemhi County53.2+0.4
93Martin County53.2+0.3
93Trinity County53.2-0.7
96Iosco County53.1+0.3
97Cherokee County52.9+0.4
97Mohave County52.9+0.6
97Nye County52.90
100Costilla County52.8+1.1
101Mackinac County52.70
101Sully County52.7+1.1
103Camden County52.6+0.5
103Cumberland County52.6+0.4
103Ozark County52.6+0.8
106Lincoln County52.5-0.4
107Daniels County52.4+3.8
107Flagler County52.4+0.4
107Lincoln County52.4+0.8
107Transylvania County52.4+0.4
111Clearwater County52.3+1.3
111Plumas County52.3+0.5
111Real County52.3+3.6
111Sheridan County52.3+0.3
115Collier County52.2+0.7
115Cook County52.2-0.2
115Washburn County52.2+0.5
118Baxter County52.1+0.3
118Calaveras County52.1-0.2
118Marion County52.1+1.2
118Price County52.1+0.3
122Charles City County52+0.6
122Cheboygan County52+0.3
122Musselshell County52-0.1
122Oscoda County52-0.4
126Griggs County51.9-1
126Noble County51.9+0.4
128Bath County51.8+0.9
128Cameron County51.80
128Ferry County51.8+1
128Lake County51.8-2.4
128McIntosh County51.8+1.2
128Oneida County51.8+0.4
128Schoolcraft County51.8-0.2
135Grant County51.7+0.2
135Lincoln County51.7-0.9
135Marion County51.70
138Essex County51.6+0.1
138Mariposa County51.60
140Antrim County51.5-0.1
140Jackson County51.5-3.5
142Crawford County51.4+0.4
142Sawyer County51.4+0.6
142Talbot County51.4+0.4
145Lincoln County51.30
145Northampton County51.3+1
145Northampton County51.3+0.6
145Park County51.30
145Sussex County51.3+0.6
150Clallam County51.2+0.4
150Greene County51.2+0.2
150Lake of the Woods County51.2+2.7
150Piscataquis County51.2-0.1
154Jewell County51.1-1.2
154Pickett County51.1+0.6
154Teller County51.1+0.7
157Aransas County51+1.2
157Deuel County51+3.2
157Georgetown County51+0.6
157Gilliam County51-2.2
161Cape May County50.9+0.5
161Foard County50.9-4.1
161McPherson County50.9-1.2
161Patrick County50.9+0.5
161Pendleton County50.9-0.1
161Tucker County50.9-0.1
161Wallowa County50.9-1.4
168Archuleta County50.8+0.8
168Columbia County50.8+0.4
168Jo Daviess County50.8+0.3
168Mills County50.8+1
172Brown County50.7+0.3
172Carbon County50.70
172Gladwin County50.7+0.2
172Motley County50.7+4.4
172Nelson County50.7-1.1
177Alleghany County50.60
177Decatur County50.6+0.4
177Gila County50.6+0.3
177Gogebic County50.6+0.4
177Koochiching County50.6+0.2
177Macon County50.6+0.5
177Ogemaw County50.6+0.1
177Worcester County50.6+0.2
185Emmons County50.5-1.6
185Jerauld County50.5+0.5
185Montgomery County50.5+0.1
185Surry County50.5+0.1
189Benzie County50.40
189Campbell County50.4+4.5
189Elk County50.4+0.1
189Marquette County50.4+0.3
189Pend Oreille County50.4+0.1
194Mineral County50.3-0.7
195Coosa County50.2+0.4
195Judith Basin County50.2-2.1
195Nevada County50.2+0.1
198Petersburg Borough50.1+1.1
198Trinity County50.1+0.8
200Arenac County50-0.1
200Crockett County50+5.2
200Hoonah-Angoon Census Area50-0.7
200Manistee County50+0.4
200Nelson County50+0.4
200Rappahannock County50+1.8
200Smith County50+0.1
207Carteret County49.9+0.5
207Garfield County49.9-0.9
207Powder River County49.9+1.4
207Saguache County49.9+0.3
207Summers County49.9+0.4
207Talbot County49.9-0.4
207Waushara County49.9+0.4
214Franklin County49.8+0.3
214Ottawa County49.8+0.2
214Perquimans County49.80
214Taos County49.8+0.4
218Briscoe County49.7+1.8
218Coos County49.7+0.9
218Gillespie County49.7+0.1
218Lake County49.7+0.4
218Pope County49.7-0.1
218Van Buren County49.7+0.7
218Wells County49.7-1.3
225Amador County49.6-0.1
225Ashe County49.6+0.5
225Deer Lodge County49.6+1.2
225Gilmer County49.6+0.4
225Henderson County49.6-0.5
225Menominee County49.6+0.1
225Petroleum County49.6-0.4
232Blanco County49.5-1
232Charlevoix County49.5+0.3
232Clear Creek County49.50
232Cleburne County49.5+0.2
232Idaho County49.5-0.6
232Piute County49.5+0.1
232Stone County49.5-0.2
239Grant County49.4-0.4
239Manatee County49.4+0.4
239Nuckolls County49.4+0.1
239Pocahontas County49.4-0.2
239Rabun County49.4-0.4
239Rockbridge County49.4+0.2
245Columbia County49.3+0.4
245Huron County49.3+0.1
245San Juan County49.3+4.1
248Colfax County49.2-0.4
248Dukes County49.2+1.3
248Essex County49.2+0.9

Showing the top 250 of 3144. The CSV download has every row.

Other periods

About this ranking

Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b01002.dat. Retrieved 2026-10-08.

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Questions

Which county has the highest median age?

Sumter County, with 68.3 years in 2022, according to the U.S. Census Bureau.

Which county has the lowest median age?

Madison County, with 21.6 years in 2022.

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 B01002: median age, total population. Retrieved 2026-10-08.

Median age: other rankings

US counties: more rankings