What kinds of homes are in Knoxville, IL?

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

Knoxville, IL has 1,446 (±130) homes (2020–2024 American Community Survey).

That is about 615 homes per square mile of land.

81.1% are detached single-family houses.

10.4% are in buildings of two to four units.

5.5% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,446 (±130)
Detached houses: 81.1%
2–4 unit buildings: 10.4%
5+ unit buildings: 5.5%

Homes in Knoxville by building size

Housing units by units in structure, 2020–2024
Building type	Knoxville	Knox County	Illinois	United States
Single-family, detached	81.1% (±4.4 points)	76.7%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	0.7% (±1.0 points)	1.2%	6.1%	6.2%
2 units	7.2% (±3.8 points)	4.4%	5.2%	3.4%
3 or 4 units	3.2% (±2.9 points)	3.4%	6.4%	4.3%
5 to 9 units	3.1% (±2.4 points)	3.2%	6.3%	4.5%
10 to 19 units	0.9% (±0.9 points)	2.7%	4.0%	4.3%
20 or more units	1.5% (±2.4 points)	4.7%	11.5%	10.3%
Mobile home	2.3% (±2.3 points)	3.8%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±2.6 points)	0.0%	0.0%	0.1%

In Knoxville, the share of homes in buildings of five or more units is lower than in Knox County (10.6%).

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 Knoxville

Nearest places with a published estimate, compared with Knoxville
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Knoxville	—	5.5% (±3.5 points)	—
Knox Township	1.9 mi	3.7% (±2.3 points)	Not measurably different
East Galesburg	2.8 mi	2.0% (±15.0 points)	Not measurably different
Orange Township (Knox County)	4.5 mi	0.0% (±21.7 points)	Not measurably different
Galesburg	5.6 mi	16.9% (±3.0 points)	Higher
Galesburg City Township	5.6 mi	16.9% (±3.0 points)	Higher
Galesburg Township	6.6 mi	0.0% (±40.2 points)	Not measurably different
Cedar Township	6.7 mi	0.8% (±3.4 points)	Not measurably different
Persifer Township	7.2 mi	0.0% (±8.0 points)	Not measurably different

Nearby places with a measurably higher figure: Galesburg, IL (16.9%), Galesburg City Township, IL (16.9%).

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 Knox County, place by place

Rank	Place	Homes in buildings of 5 or more units
1 (tie)	Galesburg	16.9% (±3.0 points)
1 (tie)	Galesburg City Township	16.9% (±3.0 points)
3	Knoxville	5.5% (±3.5 points)
4	Henderson	5.4% (±36.1 points)
5	Knox Township	3.7% (±2.3 points)
6	East Galesburg	2.0% (±15.0 points)
7	Wataga	1.7% (±14.4 points)
8	St. Augustine	1.5% (±55.9 points)
9 (tie)	Abingdon	1.3% (±2.7 points)

Showing 9 of 35 places in Knox 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 Knoxville

How many homes are in Knoxville?

Knoxville, IL has an estimated 1,446 (±130) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Knoxville houses or apartments?

81.1% are detached houses and 0.7% attached houses, while 15.9% are in buildings of two or more units.

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

10.4% of homes in Knoxville 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 — Knoxville 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 Knoxville city, Illinois (place:40416, 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.