Data / Households / Lewis and Clark County

Households in Lewis and Clark County

Households in Lewis and Clark County was 31,215 in 2024, according to the U.S. Census Bureau. That is up 1.8% from 2023. That is the 6th highest of 56 counties in 2024.

2024, count31,215
Change on 2023+1.8%
Rank6th of 56Counties in Montana ranked
Series high31,2152024
Series low30,0112021

Next release: Friday, 29 January 2027, estimated by Invokely from past publication dates (low confidence), not announced by the publisher. Release calendar

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Households in Lewis and Clark County, 2021 to 2024

30K30.3K30.5K30.8K31K31.3K20212022202320242021: 30,011 count2022: 30,281 count2023: 30,655 count2024: 31,215 count30K30.5K31K31.5K202120242021: 30,011 count2022: 30,281 count2023: 30,655 count2024: 31,215 count
count. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25003: occupied housing units (households). Retrieved 2026-10-12, published 2026-01-29.
All 4 values
Periodcount
202431,215
202330,655
202230,281
202130,011

Compared with Montana and United States

Place2024
Lewis and Clark County31,215
Montana458,859
United States129,227,496

Lewis and Clark County compared with nearby places

Beaverhead County: 4,201 countBig Horn County: 3,827 countBlaine County: 2,280 countBroadwater County: 2,822 countCarbon County: 4,664 countCarter County: 600 countCascade County: 35,615 countChouteau County: 2,159 countCuster County: 5,038 countDaniels County: 734 countDawson County: 3,615 countDeer Lodge County: 4,473 countFallon County: 1,178 countFergus County: 5,303 countFlathead County: 44,233 countGallatin County: 51,215 countGarfield County: 432 countGlacier County: 4,291 countGolden Valley County: 376 countGranite County: 1,514 countHill County: 6,206 countJefferson County: 4,996 countJudith Basin County: 918 countLake County: 12,576 countLewis and Clark County: 31,215 countLiberty County: 724 countLincoln County: 9,082 countMcCone County: 798 countMadison County: 3,740 countMeagher County: 927 countMineral County: 2,150 countMissoula County: 52,679 countMusselshell County: 2,148 countPark County: 8,366 countPetroleum County: 221 countPhillips County: 1,765 countPondera County: 2,268 countPowder River County: 708 countPowell County: 2,432 countPrairie County: 545 countRavalli County: 18,661 countRichland County: 4,422 countRoosevelt County: 3,091 countRosebud County: 3,070 countSanders County: 5,451 countSheridan County: 1,476 countSilver Bow County: 15,419 countStillwater County: 3,810 countSweet Grass County: 1,552 countTeton County: 2,469 countToole County: 1,852 countTreasure County: 360 countValley County: 2,951 countWheatland County: 883 countWibaux County: 461 countYellowstone County: 69,897 count
  • Under 700
  • 700 to 1,800
  • 1,800 to 2,900
  • 2,900 to 4,400
  • 4,400 to 9,000
  • 9,000 and over
Households, 2024, count. Lewis and Clark County is outlined. Same source and period for every area shown. Source: U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Rankings

Definition

Number of households, which equals the number of occupied housing units. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

People living in group quarters, such as college dormitories, nursing homes and prisons, are not in households.

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How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B25003: occupied housing units (households). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.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 B25003: occupied housing units (households) (Households, Lewis and Clark County, 2021 to 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat

MLA 9

American Community Survey 5-year estimates, table B25003: occupied housing units (households), Households, Lewis and Clark County, 2021 to 2024. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat. Invokely, https://invokely.ai/en/households/lewis-and-clark-county-montana. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B25003: occupied housing units (households). Households, Lewis and Clark County, 2021 to 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat. Also distributed by Invokely, https://invokely.ai/en/households/lewis-and-clark-county-montana.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B25003: occupied housing units (households), Households, Lewis and Clark County, 2021 to 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat, via Invokely: https://invokely.ai/en/households/lewis-and-clark-county-montana (Accessed: 12 October 2026).

BibTeX
@misc{census_households_lewis_and_clark_2024,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B25003: occupied housing units (households): Households, Lewis and Clark County, 2021 to 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/households/lewis-and-clark-county-montana. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B25003: occupied housing units (households). https://www2.census.gov/programs-surveys/acs/summary\_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B25003: occupied housing units (households): Households, Lewis and Clark County, 2021 to 2024
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat
L2  - https://invokely.ai/en/households/lewis-and-clark-county-montana
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/households/lewis-and-clark-county-montana.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B25003: occupied housing units (households). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat. Retrieved 2026-10-12.
ER  -
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Questions

What is the households in Lewis and Clark County?

Households in Lewis and Clark County was 31,215 in 2024, according to the U.S. Census Bureau. That is up 1.8% from 2023. That is the 6th highest of 56 counties in 2024.

Where does this figure come from?

U.S. Census Bureau. American Community Survey 5-year estimates, table B25003: occupied housing units (households). Retrieved by Invokely on 2026-10-12.

What was the highest households in Lewis and Clark County?

31,215 in 2024, the highest value since 2021 in this series.

Related statistics for Lewis and Clark County

All statistics for Lewis and Clark County | Lewis and Clark County in figures