What kinds of homes are in Mount Carroll, IL?

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

Mount Carroll, IL has 805 (±87) homes (2020–2024 American Community Survey).

That is about 402 homes per square mile of land.

84.1% are detached single-family houses.

6.4% are in buildings of two to four units.

7.4% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 805 (±87)
Detached houses: 84.1%
2–4 unit buildings: 6.4%
5+ unit buildings: 7.4%

Homes in Mount Carroll by building size

Housing units by units in structure, 2020–2024
Building type	Mount Carroll	Carroll County	Illinois	United States
Single-family, detached	84.1% (±5.9 points)	86.3%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	0.2% (±0.4 points)	0.7%	6.1%	6.2%
2 units	1.2% (±1.4 points)	1.5%	5.2%	3.4%
3 or 4 units	5.2% (±2.7 points)	2.5%	6.4%	4.3%
5 to 9 units	5.7% (±4.8 points)	2.4%	6.3%	4.5%
10 to 19 units	1.2% (±2.0 points)	0.6%	4.0%	4.3%
20 or more units	0.5% (±0.7 points)	2.7%	11.5%	10.3%
Mobile home	1.7% (±1.6 points)	3.3%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±4.5 points)	0.0%	0.0%	0.1%

In Mount Carroll, the share of homes in buildings of five or more units is not measurably different from Carroll County (5.7%).

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 Mount Carroll

Nearest places with a published estimate, compared with Mount Carroll
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Mount Carroll	—	7.4% (±5.2 points)	—
Salem Township (Carroll County)	3.2 mi	10.6% (±33.4 points)	Not measurably different
Mount Carroll Township	3.3 mi	12.0% (±7.4 points)	Not measurably different
Freedom Township (Carroll County)	5.0 mi	0.0% (±9.0 points)	Not measurably different
Woodland Township (Carroll County)	5.1 mi	0.0% (±38.1 points)	Not measurably different
Chadwick	7.2 mi	0.3% (±17.1 points)	Not measurably different
Lanark	7.4 mi	6.1% (±5.8 points)	Not measurably different
Savanna	8.3 mi	11.3% (±5.4 points)	Not measurably different
Savanna Township	8.6 mi	9.5% (±4.5 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 Carroll County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Mount Carroll Township	12.0% (±7.4 points)
2	Savanna	11.3% (±5.4 points)
3	Salem Township (Carroll County)	10.6% (±33.4 points)
4	Savanna Township	9.5% (±4.5 points)
5	Shannon	7.7% (±9.3 points)
6	Mount Carroll	7.4% (±5.2 points)
7	Thomson	6.4% (±24.5 points)
8	Lanark	6.1% (±5.8 points)
9	Rock Creek-Lima Township	5.0% (±4.8 points)
10	Milledgeville	4.1% (±7.6 points)
11	Cherry Grove-Shannon Township	3.8% (±4.7 points)
12	Wysox Township	3.5% (±6.4 points)

Showing 12 of 19 places in Carroll 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 Carroll

How many homes are in Mount Carroll?

Mount Carroll, IL has an estimated 805 (±87) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Mount Carroll houses or apartments?

84.1% are detached houses and 0.2% attached houses, while 13.8% are in buildings of two or more units.

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

6.4% of homes in Mount Carroll 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 Carroll 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 Carroll city, Illinois (place:50881, 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.