What kinds of homes are in Olney, IL?

Name: Types of homes in Olney, IL, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Olney, IL has 4,153 (±170) homes (2020–2024 American Community Survey).

That is about 599 homes per square mile of land.

80.7% are detached single-family houses.

6.0% are in buildings of two to four units.

6.8% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 4,153 (±170)
Detached houses: 80.7%
2–4 unit buildings: 6.0%
5+ unit buildings: 6.8%

Homes in Olney by building size

Housing units by units in structure, 2020–2024
Building type	Olney	Richland County	Illinois	United States
Single-family, detached	80.7% (±3.5 points)	77.4%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	0.7% (±0.7 points)	0.4%	6.1%	6.2%
2 units	3.3% (±1.9 points)	2.5%	5.2%	3.4%
3 or 4 units	2.7% (±1.7 points)	1.5%	6.4%	4.3%
5 to 9 units	1.5% (±0.9 points)	0.9%	6.3%	4.5%
10 to 19 units	0.1% (±0.2 points)	0.2%	4.0%	4.3%
20 or more units	5.2% (±2.1 points)	2.9%	11.5%	10.3%
Mobile home	5.7% (±2.1 points)	14.1%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±0.9 points)	0.0%	0.0%	0.1%

In Olney, the share of homes in buildings of five or more units is higher than in Richland County (4.0%).

It is also lower than in Illinois (21.8%).

It is lower than the national figure (19.1%).

Homes in buildings of 5 or more units in places near Olney

Nearest places with a published estimate, compared with Olney
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Olney	—	6.8% (±2.3 points)	—
Olney Township	1.2 mi	5.9% (±2.0 points)	Not measurably different
Preston Township	5.6 mi	0.0% (±8.5 points)	Not measurably different
Calhoun	5.7 mi	0.0% (±60.6 points)	Not measurably different
Claremont	6.0 mi	0.0% (±54.4 points)	Not measurably different
Claremont Township	6.2 mi	0.0% (±19.2 points)	Not measurably different
Noble Township	7.1 mi	2.7% (±7.0 points)	Not measurably different
Noble	7.5 mi	5.5% (±13.5 points)	Not measurably different
German Township	7.8 mi	0.0% (±35.7 points)	Not measurably different

None of the nearby places differs measurably from this one on this figure.

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes in buildings of 5 or more units across Richland County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Olney	6.8% (±2.3 points)
2	Olney Township	5.9% (±2.0 points)
3	Noble	5.5% (±13.5 points)
4	Noble Township	2.7% (±7.0 points)
5 (tie)	Calhoun	0.0% (±60.6 points)
5 (tie)	Claremont	0.0% (±54.4 points)
5 (tie)	Parkersburg	0.0% (±48.5 points)

Showing 7 of 14 places in Richland County, ranked from highest to lowest.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Olney

How many homes are in Olney?

Olney, IL has an estimated 4,153 (±170) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Olney houses or apartments?

80.7% are detached houses and 0.7% attached houses, while 12.8% are in buildings of two or more units.

How many two-family and small multifamily homes are in Olney?

6.0% of homes in Olney are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Olney city, Illinois

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Olney city, Illinois (place:55912, in state:17).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.