Data / Housing units / Baltimore County

Housing units in Baltimore County

Housing units in Baltimore County was 350,821 in 2024, according to the U.S. Census Bureau. That is up 0.1% from 2023. That is the 3rd highest of 24 counties in 2024.

2024, count350,821
Change on 2023+0.1%
Rank3rd of 24Counties in Maryland ranked
Series high350,8212024
Series low348,2392021

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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Housing units in Baltimore County, 2021 to 2024

348K349K350K351K20212022202320242021: 348,239 count2022: 349,471 count2023: 350,296 count2024: 350,821 count348K349K350K351K202120242021: 348,239 count2022: 349,471 count2023: 350,296 count2024: 350,821 count
count. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25001: total housing units. Retrieved 2026-10-12, published 2026-01-29.
All 4 values
Periodcount
2024350,821
2023350,296
2022349,471
2021348,239

Compared with Maryland and United States

Place2024
Baltimore County350,821
Maryland2,560,784
United States143,775,355

Baltimore County compared with nearby places

Allegany County: 32,720 countAnne Arundel County: 236,262 countBaltimore County: 350,821 countCalvert County: 36,119 countCaroline County: 13,531 countCarroll County: 66,768 countCecil County: 44,355 countCharles County: 63,813 countDorchester County: 16,433 countFrederick County: 108,924 countGarrett County: 18,642 countHarford County: 105,468 countHoward County: 125,286 countKent County: 10,363 countMontgomery County: 406,531 countPrince George's County: 365,506 countQueen Anne's County: 22,038 countSt. Mary's County: 46,385 countSomerset County: 10,928 countTalbot County: 19,720 countWashington County: 64,145 countWicomico County: 44,127 countWorcester County: 56,867 countBaltimore city: 295,032 count
  • Under 19K
  • 19K to 44K
  • 44K to 64K
  • 64K to 170K
  • 170K and over
Housing units, 2024, count. Baltimore 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

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.

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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/2024/table-based-SF/data/5YRData/acsdt5y2024-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 (Housing units, Baltimore 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-b25001.dat

MLA 9

American Community Survey 5-year estimates, table B25001: total housing units, Housing units, Baltimore 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-b25001.dat. Invokely, https://invokely.ai/en/housing-units/baltimore-county-maryland. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B25001: total housing units. Housing units, Baltimore 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-b25001.dat. Also distributed by Invokely, https://invokely.ai/en/housing-units/baltimore-county-maryland.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B25001: total housing units, Housing units, Baltimore County, 2021 to 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25001.dat, via Invokely: https://invokely.ai/en/housing-units/baltimore-county-maryland (Accessed: 12 October 2026).

BibTeX
@misc{census_housing_units_baltimore_county_2024,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B25001: total housing units: Housing units, Baltimore 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-b25001.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/housing-units/baltimore-county-maryland. 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/2024/table-based-SF/data/5YRData/acsdt5y2024-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: Housing units, Baltimore 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-b25001.dat
L2  - https://invokely.ai/en/housing-units/baltimore-county-maryland
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/housing-units/baltimore-county-maryland.
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/2024/table-based-SF/data/5YRData/acsdt5y2024-b25001.dat. Retrieved 2026-10-12.
ER  -
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Questions

What is the housing units in Baltimore County?

Housing units in Baltimore County was 350,821 in 2024, according to the U.S. Census Bureau. That is up 0.1% from 2023. That is the 3rd highest of 24 counties in 2024.

Where does this figure come from?

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

What was the highest housing units in Baltimore County?

350,821 in 2024, the highest value since 2021 in this series.

Related statistics for Baltimore County

All statistics for Baltimore County | Baltimore County in figures