What kinds of homes are in Mason City, IL?

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

Mason City, IL has 1,155 (±128) homes (2020–2024 American Community Survey).

That is about 1,140 homes per square mile of land.

90.2% are detached single-family houses.

0.5% are in buildings of two to four units.

5.0% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,155 (±128)
Detached houses: 90.2%
2–4 unit buildings: 0.5%
5+ unit buildings: 5.0%

Homes in Mason City by building size

Housing units by units in structure, 2020–2024
Building type	Mason City	Mason County	Illinois	United States
Single-family, detached	90.2% (±5.1 points)	88.9%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	0.3% (±0.6 points)	0.9%	6.1%	6.2%
2 units	0.0% (±3.2 points)	0.0%	5.2%	3.4%
3 or 4 units	0.5% (±1.0 points)	1.7%	6.4%	4.3%
5 to 9 units	4.3% (±4.5 points)	3.5%	6.3%	4.5%
10 to 19 units	0.4% (±0.6 points)	0.4%	4.0%	4.3%
20 or more units	0.3% (±0.6 points)	0.3%	11.5%	10.3%
Mobile home	3.8% (±2.8 points)	4.2%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±3.2 points)	0.0%	0.0%	0.1%

In Mason City, the share of homes in buildings of five or more units is not measurably different from Mason County (4.2%).

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 Mason City

Nearest places with a published estimate, compared with Mason City
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Mason City	—	5.0% (±4.6 points)	—
Mason City Township	2.2 mi	4.8% (±4.3 points)	Not measurably different
Salt Creek Township	4.4 mi	0.0% (±52.1 points)	Not measurably different
Pennsylvania Township	5.6 mi	0.0% (±53.2 points)	Not measurably different
Allens Grove Township	5.8 mi	0.0% (±29.3 points)	Not measurably different
New Holland	6.2 mi	0.0% (±50.9 points)	Not measurably different
Easton	7.9 mi	0.0% (±39.5 points)	Not measurably different
Sheridan Township	8.2 mi	0.0% (±32.9 points)	Not measurably different
Greenview	8.4 mi	0.4% (±11.0 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 Mason County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Havana	11.8% (±7.0 points)
2	Havana Township	8.4% (±5.0 points)
3	Manito	5.1% (±3.1 points)
4	Mason City	5.0% (±4.6 points)
5	Mason City Township	4.8% (±4.3 points)
6	Manito Township	3.9% (±2.3 points)
7 (tie)	Bath	0.0% (±34.6 points)
7 (tie)	Easton	0.0% (±39.5 points)
7 (tie)	Forest City	0.0% (±48.8 points)
7 (tie)	Kilbourne	0.0% (±41.7 points)

Showing 10 of 22 places in Mason 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 Mason City

How many homes are in Mason City?

Mason City, IL has an estimated 1,155 (±128) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Mason City houses or apartments?

90.2% are detached houses and 0.3% attached houses, while 5.5% are in buildings of two or more units.

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

0.5% of homes in Mason City 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 — Mason City 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 Mason City city, Illinois (place:47475, 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.