What kinds of homes are in Sullivan, IL?

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

Sullivan, IL has 1,898 (±128) homes (2020–2024 American Community Survey).

That is about 685 homes per square mile of land.

73.8% are detached single-family houses.

2.9% are in buildings of two to four units.

10.1% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,898 (±128)
Detached houses: 73.8%
2–4 unit buildings: 2.9%
5+ unit buildings: 10.1%

Homes in Sullivan by building size

Housing units by units in structure, 2020–2024
Building type	Sullivan	Moultrie County	Illinois	United States
Single-family, detached	73.8% (±6.5 points)	84.8%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	1.8% (±1.4 points)	2.0%	6.1%	6.2%
2 units	1.1% (±1.3 points)	0.9%	5.2%	3.4%
3 or 4 units	1.8% (±1.3 points)	1.3%	6.4%	4.3%
5 to 9 units	3.7% (±2.5 points)	1.8%	6.3%	4.5%
10 to 19 units	2.1% (±1.8 points)	1.7%	4.0%	4.3%
20 or more units	4.3% (±1.9 points)	2.0%	11.5%	10.3%
Mobile home	11.5% (±5.1 points)	5.5%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±2.0 points)	0.0%	0.0%	0.1%

In Sullivan, the share of homes in buildings of five or more units is higher than in Moultrie County (5.5%).

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 Sullivan

Nearest places with a published estimate, compared with Sullivan
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Sullivan	—	10.1% (±3.6 points)	—
Sullivan Township (Moultrie County)	2.3 mi	6.9% (±2.5 points)	Not measurably different
East Nelson Township	4.5 mi	9.1% (±21.2 points)	Not measurably different
Allenville	4.5 mi	0.0% (±66.3 points)	Not measurably different
Jonathan Creek Township	5.8 mi	0.0% (±19.4 points)	Not measurably different
Bethany	7.8 mi	2.9% (±9.8 points)	Not measurably different
Lovington	8.4 mi	0.0% (±12.0 points)	Not measurably different
Whitley Township	8.4 mi	2.4% (±17.7 points)	Not measurably different
Marrowbone Township	8.5 mi	2.2% (±7.5 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 Moultrie County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Sullivan	10.1% (±3.6 points)
2	Dalton City	9.3% (±13.4 points)
3	East Nelson Township	9.1% (±21.2 points)
4	Dora Township	7.2% (±10.6 points)
5	Sullivan Township (Moultrie County)	6.9% (±2.5 points)
6	Lovington Township	5.8% (±8.1 points)
7	Lowe Township	4.5% (±6.9 points)

Showing 7 of 14 places in Moultrie 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 Sullivan

How many homes are in Sullivan?

Sullivan, IL has an estimated 1,898 (±128) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Sullivan houses or apartments?

73.8% are detached houses and 1.8% attached houses, while 13.0% are in buildings of two or more units.

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

2.9% of homes in Sullivan 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 — Sullivan 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 Sullivan city, Illinois (place:73495, 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.