What kinds of homes are in Peru, IL?

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

Peru, IL has 4,853 (±226) homes (2020–2024 American Community Survey).

That is about 470 homes per square mile of land.

84.7% are detached single-family houses.

5.0% are in buildings of two to four units.

7.5% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 4,853 (±226)
Detached houses: 84.7%
2–4 unit buildings: 5.0%
5+ unit buildings: 7.5%

Homes in Peru by building size

Housing units by units in structure, 2020–2024
Building type	Peru	LaSalle County	Illinois	United States
Single-family, detached	84.7% (±4.0 points)	78.8%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	2.1% (±2.0 points)	3.0%	6.1%	6.2%
2 units	2.3% (±1.5 points)	3.3%	5.2%	3.4%
3 or 4 units	2.7% (±1.5 points)	4.4%	6.4%	4.3%
5 to 9 units	2.6% (±2.1 points)	2.1%	6.3%	4.5%
10 to 19 units	1.1% (±1.0 points)	1.7%	4.0%	4.3%
20 or more units	3.8% (±2.1 points)	2.5%	11.5%	10.3%
Mobile home	0.8% (±0.7 points)	4.2%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±0.8 points)	0.0%	0.0%	0.1%

In Peru, the share of homes in buildings of five or more units is not measurably different from LaSalle County (6.3%).

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 Peru

Nearest places with a published estimate, compared with Peru
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Peru	—	7.5% (±3.1 points)	—
Dalzell	1.8 mi	0.0% (±21.0 points)	Not measurably different
Peru Township	2.3 mi	7.2% (±3.1 points)	Not measurably different
LaSalle	2.7 mi	7.5% (±3.0 points)	Not measurably different
Spring Valley	3.3 mi	12.4% (±4.8 points)	Not measurably different
LaSalle Township	4.0 mi	6.3% (±2.2 points)	Not measurably different
Dimmick Township	4.1 mi	0.0% (±22.5 points)	Not measurably different
Ladd	4.2 mi	0.5% (±8.1 points)	Not measurably different
Hall Township	4.4 mi	8.4% (±3.3 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 LaSalle County, place by place

Rank	Place	Homes in buildings of 5 or more units
6	South Ottawa Township	10.9% (±4.2 points)
7	Mendota	9.8% (±4.4 points)
8	Mendota Township	8.9% (±4.0 points)
9	Marseilles	8.4% (±4.8 points)
10	Ottawa Township	7.9% (±1.9 points)
11 (tie)	LaSalle	7.5% (±3.0 points)
11 (tie)	Peru	7.5% (±3.1 points)
13	Peru Township	7.2% (±3.1 points)
14	Earlville	6.9% (±4.9 points)
15	Earl Township	6.6% (±4.0 points)
16	LaSalle Township	6.3% (±2.2 points)
17	Rutland Township (LaSalle County)	4.8% (±5.0 points)
18	Troy Grove Township	4.3% (±11.5 points)

Showing 13 of 62 places in LaSalle 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 Peru

How many homes are in Peru?

Peru, IL has an estimated 4,853 (±226) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Peru houses or apartments?

84.7% are detached houses and 2.1% attached houses, while 12.5% are in buildings of two or more units.

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

5.0% of homes in Peru 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 — Peru 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 Peru city, Illinois (place:59234, 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.