Counties in New Hampshire by housing units

Hillsborough County had the highest housing units of 10 counties in 2022, at 175,630. Coos County had the lowest, at 20,570. The median was 45,540 and the figure for New Hampshire was 640,335. Source: the U.S. Census Bureau.

Highest175,630Hillsborough County

Lowest20,570Coos County

Median45,54010 counties

New Hampshire640,335History

Map of counties, 2022

Under 33K
33K to 39K
39K to 53K
53K to 80K
80K and over

count, 2022. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25001: total housing units. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2022

count. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25001: total housing units. Retrieved 2026-10-12.

Full ranking

Rank	Counties	2022 count	Change on 2021
1	Hillsborough County	175,630	+0.7%
2	Rockingham County	135,585	+0.8%
3	Merrimack County	65,744	+0.6%
4	Strafford County	55,672	+1%
5	Grafton County	51,191	+0.4%
6	Carroll County	39,889	+0.4%
7	Belknap County	38,478	+0.6%
8	Cheshire County	35,706	+0.3%
9	Sullivan County	21,870	-0.1%
10	Coos County	20,570	0%

Other periods

2024
2023
2022
2021

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. 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/2022/table-based-SF/data/5YRData/acsdt5y2022-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 (Counties in New Hampshire by housing units, 2022) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b25001.dat

MLA 9

American Community Survey 5-year estimates, table B25001: total housing units, Counties in New Hampshire by housing units, 2022. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b25001.dat. Invokely, https://invokely.ai/rankings/housing-units/new-hampshire-counties?period=2022. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B25001: total housing units. Counties in New Hampshire by housing units, 2022. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b25001.dat. Also distributed by Invokely, https://invokely.ai/rankings/housing-units/new-hampshire-counties?period=2022.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B25001: total housing units, Counties in New Hampshire by housing units, 2022 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b25001.dat, via Invokely: https://invokely.ai/rankings/housing-units/new-hampshire-counties?period=2022 (Accessed: 12 October 2026).

BibTeX

@misc{census_counties_in_new_hampshire_2022,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B25001: total housing units: Counties in New Hampshire by housing units, 2022}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b25001.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/housing-units/new-hampshire-counties?period=2022. 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/2022/table-based-SF/data/5YRData/acsdt5y2022-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: Counties in New Hampshire by housing units, 2022
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b25001.dat
L2  - https://invokely.ai/rankings/housing-units/new-hampshire-counties?period=2022
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/housing-units/new-hampshire-counties?period=2022.
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/2022/table-based-SF/data/5YRData/acsdt5y2022-b25001.dat. Retrieved 2026-10-12.
ER  -

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Questions

Which county has the highest housing units?

Hillsborough County, with 175,630 in 2022, according to the U.S. Census Bureau.

Which county has the lowest housing units?

Coos County, with 20,570 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 B25001: total housing units. Retrieved 2026-10-12.