What kinds of homes are in Somonauk Township, IL?

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

Somonauk Township, IL has 744 (±80) homes (2020–2024 American Community Survey).

That is about 39 homes per square mile of land.

84.5% are detached single-family houses.

5.9% are in buildings of two to four units.

0.3% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 744 (±80)
Detached houses: 84.5%
2–4 unit buildings: 5.9%
5+ unit buildings: 0.3%

Homes in Somonauk Township by building size

Housing units by units in structure, 2020–2024
Building type	Somonauk Township	DeKalb County	Illinois	United States
Single-family, detached	84.5% (±5.4 points)	58.2%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	9.3% (±3.3 points)	9.3%	6.1%	6.2%
2 units	1.7% (±1.3 points)	3.3%	5.2%	3.4%
3 or 4 units	4.2% (±3.7 points)	6.4%	6.4%	4.3%
5 to 9 units	0.3% (±0.6 points)	8.3%	6.3%	4.5%
10 to 19 units	0.0% (±4.9 points)	6.4%	4.0%	4.3%
20 or more units	0.0% (±4.9 points)	6.0%	11.5%	10.3%
Mobile home	0.0% (±4.9 points)	2.1%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±4.9 points)	0.0%	0.0%	0.1%

In Somonauk Township, the share of homes in buildings of five or more units is lower than in DeKalb County (20.7%).

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 Somonauk Township

Nearest places with a published estimate, compared with Somonauk Township
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Somonauk Township	—	0.3% (±7.0 points)	—
Somonauk	3.0 mi	4.7% (±2.9 points)	Not measurably different
Sandwich Township	3.3 mi	5.3% (±2.4 points)	Not measurably different
Sandwich	3.9 mi	5.5% (±2.4 points)	Not measurably different
Lake Holiday	4.1 mi	0.0% (±2.4 points)	Not measurably different
Victor Township	4.4 mi	0.0% (±62.0 points)	Not measurably different
Squaw Grove Township	5.4 mi	2.9% (±5.2 points)	Not measurably different
Northville Township	5.9 mi	0.9% (±1.2 points)	Not measurably different
Hinckley	6.9 mi	3.1% (±6.5 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 DeKalb County, place by place

Rank	Place	Homes in buildings of 5 or more units
19	Waterman	3.4% (±1.8 points)
20	Hinckley	3.1% (±6.5 points)
21	Squaw Grove Township	2.9% (±5.2 points)
22	Clinton Township	2.3% (±1.2 points)
23	Kingston	1.7% (±10.0 points)
24	Kingston Township	0.7% (±4.1 points)
25	Somonauk Township	0.3% (±7.0 points)
26 (tie)	Lee	0.0% (±44.2 points)
26 (tie)	Afton Township	0.0% (±17.8 points)
26 (tie)	Milan Township	0.0% (±48.5 points)
26 (tie)	Paw Paw Township	0.0% (±53.7 points)
26 (tie)	Pierce Township	0.0% (±29.6 points)
26 (tie)	South Grove Township	0.0% (±37.4 points)

Showing 13 of 32 places in DeKalb 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 Somonauk Township

How many homes are in Somonauk Township?

Somonauk Township, IL has an estimated 744 (±80) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Somonauk Township houses or apartments?

84.5% are detached houses and 9.3% attached houses, while 6.2% are in buildings of two or more units.

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

5.9% of homes in Somonauk Township 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 — Somonauk township, DeKalb County, 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 Somonauk township, DeKalb County, Illinois (county subdivision:70473, in state:17 county:037).

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.