Housing units in Marion County
Housing units in Marion County was 17,334 in 2024, according to the U.S. Census Bureau. That is down 0.3% from 2023. That is the 35th highest of 102 counties in 2024.
Housing units in Marion County, 2021 to 2024
All 4 values
| Period | count |
|---|---|
| 2024 | 17,334 |
| 2023 | 17,379 |
| 2022 | 17,431 |
| 2021 | 17,470 |
Compared with Illinois and United States
| Place | 2024 |
|---|---|
| Marion County | 17,334 |
| Illinois | 5,457,452 |
| United States | 143,775,355 |
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.
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
APA 7
U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B25001: total housing units (Housing units, Marion 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, Marion 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/marion-county-illinois. 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, Marion 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/marion-county-illinois.
Harvard
U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B25001: total housing units, Housing units, Marion 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/marion-county-illinois (Accessed: 12 October 2026).
BibTeX
@misc{census_housing_units_marion_county_2024,
author = {{U.S. Census Bureau}},
title = {{American Community Survey 5-year estimates, table B25001: total housing units: Housing units, Marion 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/marion-county-illinois. 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, Marion 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/marion-county-illinois
Y2 - 2026/10/12
N1 - Accessed via Invokely, https://invokely.ai/en/housing-units/marion-county-illinois.
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 -
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:
What is the latest housing units in Marion County? Cite the source.
get_value {"indicator":"housing_units","place":"us-county-17121"}
GET https://invokely.ai/api/v1/value?indicator=housing_units&place=us-county-17121Questions
What is the housing units in Marion County?
Housing units in Marion County was 17,334 in 2024, according to the U.S. Census Bureau. That is down 0.3% from 2023. That is the 35th highest of 102 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 Marion County?
17,470 in 2021, the highest value since 2021 in this series.