What kinds of homes are in Mount Vernon, IL?

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

Mount Vernon, IL has 7,131 (±245) homes (2020–2024 American Community Survey).

That is about 486 homes per square mile of land.

68.4% are detached single-family houses.

8.8% are in buildings of two to four units.

16.7% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 7,131 (±245)
Detached houses: 68.4%
2–4 unit buildings: 8.8%
5+ unit buildings: 16.7%

Homes in Mount Vernon by building size

Housing units by units in structure, 2020–2024
Building type	Mount Vernon	Jefferson County	Illinois	United States
Single-family, detached	68.4% (±3.2 points)	69.0%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	1.1% (±0.9 points)	0.8%	6.1%	6.2%
2 units	1.8% (±1.2 points)	1.3%	5.2%	3.4%
3 or 4 units	7.0% (±2.0 points)	3.4%	6.4%	4.3%
5 to 9 units	6.5% (±1.8 points)	2.8%	6.3%	4.5%
10 to 19 units	5.6% (±2.2 points)	2.5%	4.0%	4.3%
20 or more units	4.6% (±1.8 points)	3.0%	11.5%	10.3%
Mobile home	5.0% (±1.5 points)	17.0%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±0.5 points)	0.2%	0.0%	0.1%

In Mount Vernon, the share of homes in buildings of five or more units is higher than in Jefferson County (8.3%).

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

It is not measurably different from the national figure (19.1%).

Homes in buildings of 5 or more units in places near Mount Vernon

Nearest places with a published estimate, compared with Mount Vernon
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Mount Vernon	—	16.7% (±3.4 points)	—
Mount Vernon Township	3.4 mi	4.6% (±2.0 points)	Lower
Shiloh Township (Jefferson County)	3.9 mi	26.8% (±5.9 points)	Higher
Dodds Township	4.6 mi	4.5% (±4.0 points)	Lower
McClellan Township	5.4 mi	0.0% (±13.7 points)	Lower
Woodlawn	6.4 mi	0.4% (±18.0 points)	Not measurably different
Bonnie	7.7 mi	0.0% (±21.0 points)	Not measurably different
Rome Township	8.5 mi	12.2% (±9.0 points)	Not measurably different
Field Township	8.6 mi	0.0% (±8.1 points)	Lower

Nearby places with a measurably lower figure: Mount Vernon Township, IL (4.6%), Dodds Township, IL (4.5%), McClellan Township, IL (0.0%).

Nearby places with a measurably higher figure: Shiloh Township (Jefferson County), IL (26.8%).

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 Jefferson County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Dix	32.8% (±22.1 points)
2	Shiloh Township (Jefferson County)	26.8% (±5.9 points)
3	Mount Vernon	16.7% (±3.4 points)
4	Rome Township	12.2% (±9.0 points)
5	Webber Township	6.1% (±9.9 points)
6	Mount Vernon Township	4.6% (±2.0 points)
7	Dodds Township	4.5% (±4.0 points)
8	Pendleton Township	1.9% (±9.8 points)
9 (tie)	Ina	0.4% (±19.1 points)

Showing 9 of 25 places in Jefferson 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 Mount Vernon

How many homes are in Mount Vernon?

Mount Vernon, IL has an estimated 7,131 (±245) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Mount Vernon houses or apartments?

68.4% are detached houses and 1.1% attached houses, while 25.5% are in buildings of two or more units.

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

8.8% of homes in Mount Vernon 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 — Mount Vernon 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 Mount Vernon city, Illinois (place:51180, 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.