What kinds of homes are in Waterloo, IA?

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

Waterloo, IA has 32,143 (±442) homes (2020–2024 American Community Survey).

That is about 522 homes per square mile of land.

68.9% are detached single-family houses.

5.9% are in buildings of two to four units.

17.5% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 32,143 (±442)
Detached houses: 68.9%
2–4 unit buildings: 5.9%
5+ unit buildings: 17.5%

Homes in Waterloo by building size

Housing units by units in structure, 2020–2024
Building type	Waterloo	Black Hawk County	Iowa	United States
Single-family, detached	68.9% (±1.5 points)	69.8%	72.2%	61.3%
Single-family, attached (townhouse, rowhouse)	4.5% (±0.8 points)	4.5%	4.5%	6.2%
2 units	2.7% (±0.6 points)	2.9%	2.1%	3.4%
3 or 4 units	3.2% (±0.8 points)	3.2%	3.5%	4.3%
5 to 9 units	6.2% (±1.2 points)	5.0%	3.6%	4.5%
10 to 19 units	4.9% (±0.9 points)	5.0%	4.0%	4.3%
20 or more units	6.4% (±1.0 points)	6.6%	6.9%	10.3%
Mobile home	3.3% (±0.8 points)	3.0%	3.2%	5.6%
Boat, RV, van, etc.	0.0% (±0.1 points)	0.0%	0.1%	0.1%

In Waterloo, the share of homes in buildings of five or more units is not measurably different from Black Hawk County (16.6%).

It is also higher than in Iowa (14.5%).

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

Homes in buildings of 5 or more units in places near Waterloo

Nearest places with a published estimate, compared with Waterloo
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Waterloo	—	17.5% (±1.8 points)	—
Evansdale	4.6 mi	8.9% (±3.8 points)	Lower
Elk Run Heights	5.1 mi	0.0% (±9.0 points)	Lower
Cedar Falls	5.5 mi	22.9% (±2.9 points)	Higher
Raymond	6.4 mi	1.1% (±10.1 points)	Lower
Hudson	6.4 mi	4.9% (±3.5 points)	Lower
Gilbertville	8.7 mi	1.7% (±9.8 points)	Lower
Dunkerton	11 mi	1.6% (±7.0 points)	Lower
Janesville	12 mi	0.7% (±8.1 points)	Lower

Nearby places with a measurably lower figure: Evansdale, IA (8.9%), Elk Run Heights, IA (0.0%), Raymond, IA (1.1%).

Nearby places with a measurably higher figure: Cedar Falls, IA (22.9%).

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 Black Hawk County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Cedar Falls	22.9% (±2.9 points)
2	Waterloo	17.5% (±1.8 points)
3	La Porte City	9.7% (±6.4 points)
4	Evansdale	8.9% (±3.8 points)
5	Hudson	4.9% (±3.5 points)
6	Gilbertville	1.7% (±9.8 points)
7	Dunkerton	1.6% (±7.0 points)
8	Raymond	1.1% (±10.1 points)

Showing 8 of 9 places in Black Hawk 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 Waterloo

How many homes are in Waterloo?

Waterloo, IA has an estimated 32,143 (±442) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Waterloo houses or apartments?

68.9% are detached houses and 4.5% attached houses, while 23.4% are in buildings of two or more units.

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

5.9% of homes in Waterloo 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 — Waterloo city, Iowa

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 Waterloo city, Iowa (place:82425, in state:19).

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.