What kinds of homes are in Watertown, SD?

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

Watertown, SD has 11,110 (±177) homes (2020–2024 American Community Survey).

That is about 603 homes per square mile of land.

66.3% are detached single-family houses.

8.0% are in buildings of two to four units.

14.0% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 11,110 (±177)
Detached houses: 66.3%
2–4 unit buildings: 8.0%
5+ unit buildings: 14.0%

Homes in Watertown by building size

Housing units by units in structure, 2020–2024
Building type	Watertown	Codington County	South Dakota	United States
Single-family, detached	66.3% (±3.9 points)	69.1%	66.9%	61.3%
Single-family, attached (townhouse, rowhouse)	5.2% (±1.5 points)	4.8%	4.6%	6.2%
2 units	2.3% (±1.1 points)	1.9%	1.6%	3.4%
3 or 4 units	5.7% (±1.9 points)	5.1%	3.5%	4.3%
5 to 9 units	3.8% (±1.8 points)	3.2%	4.0%	4.5%
10 to 19 units	4.0% (±1.4 points)	3.3%	4.3%	4.3%
20 or more units	6.2% (±1.6 points)	5.1%	7.8%	10.3%
Mobile home	6.6% (±1.8 points)	7.7%	7.2%	5.6%
Boat, RV, van, etc.	0.0% (±0.2 points)	0.0%	0.2%	0.1%

In Watertown, the share of homes in buildings of five or more units is not measurably different from Codington County (11.6%).

It is not measurably different from South Dakota (16.1%).

It is lower than the national figure (19.1%).

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

Nearest places with a published estimate, compared with Watertown
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Watertown	—	14.0% (±2.8 points)	—
Lake Township (Codington County)	3.3 mi	0.0% (±15.2 points)	Not measurably different
Pelican Township	5.2 mi	0.0% (±10.6 points)	Lower
Elmira Township	5.2 mi	0.0% (±35.0 points)	Not measurably different
Sheridan Township	6.7 mi	0.0% (±29.8 points)	Not measurably different
Rauville Township	8.0 mi	0.0% (±25.6 points)	Not measurably different
Richland Township (Codington County)	8.4 mi	0.0% (±62.7 points)	Not measurably different
Fuller Township	9.3 mi	0.0% (±33.9 points)	Not measurably different
Kampeska Township	9.3 mi	0.0% (±42.6 points)	Not measurably different

Nearby places with a measurably lower figure: Pelican Township, SD (0.0%).

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 Codington County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Watertown	14.0% (±2.8 points)
2	Florence	3.6% (±17.4 points)
3	Henry	0.5% (±16.0 points)
4 (tie)	Kranzburg	0.0% (±40.7 points)
4 (tie)	South Shore	0.0% (±31.5 points)
4 (tie)	Wallace	0.0% (±72.1 points)
4 (tie)	Dexter Township	0.0% (±48.5 points)

Showing 7 of 23 places in Codington 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 Watertown

How many homes are in Watertown?

Watertown, SD has an estimated 11,110 (±177) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Watertown houses or apartments?

66.3% are detached houses and 5.2% attached houses, while 22.0% are in buildings of two or more units.

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

8.0% of homes in Watertown 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 — Watertown city, South Dakota

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 Watertown city, South Dakota (place:69300, in state:46).

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.