What kinds of homes are in Castlewood, SD?

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

Castlewood, SD has 307 (±56) homes (2020–2024 American Community Survey).

That is about 267 homes per square mile of land.

85.3% are detached single-family houses.

1.3% 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: 307 (±56)
Detached houses: 85.3%
2–4 unit buildings: 1.3%
5+ unit buildings: 7.5%

Homes in Castlewood by building size

Housing units by units in structure, 2020–2024
Building type	Castlewood	Hamlin County	South Dakota	United States
Single-family, detached	85.3% (±6.5 points)	88.4%	66.9%	61.3%
Single-family, attached (townhouse, rowhouse)	2.6% (±2.8 points)	2.6%	4.6%	6.2%
2 units	0.3% (±0.8 points)	0.4%	1.6%	3.4%
3 or 4 units	1.0% (±1.2 points)	0.9%	3.5%	4.3%
5 to 9 units	5.9% (±3.9 points)	1.9%	4.0%	4.5%
10 to 19 units	1.6% (±2.8 points)	0.7%	4.3%	4.3%
20 or more units	0.0% (±7.8 points)	0.0%	7.8%	10.3%
Mobile home	2.6% (±2.6 points)	4.9%	7.2%	5.6%
Boat, RV, van, etc.	0.7% (±1.5 points)	0.1%	0.2%	0.1%

In Castlewood, the share of homes in buildings of five or more units is not measurably different from Hamlin County (2.6%).

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 Castlewood

Nearest places with a published estimate, compared with Castlewood
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Castlewood	—	7.5% (±9.2 points)	—
Castlewood Township	3.7 mi	0.0% (±54.0 points)	Not measurably different
Florence Township (Hamlin County)	3.7 mi	0.0% (±59.2 points)	Not measurably different
Dempster Township	5.4 mi	0.0% (±64.3 points)	Not measurably different
Hamlin Township	5.6 mi	0.0% (±36.0 points)	Not measurably different
Hayti Township	7.9 mi	0.0% (±49.0 points)	Not measurably different
Sheridan Township	8.2 mi	0.0% (±29.8 points)	Not measurably different
Oxford Township	9.4 mi	0.0% (±38.3 points)	Not measurably different
Estelline Township	9.5 mi	0.0% (±13.9 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 Hamlin County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Lake Norden	8.2% (±5.5 points)
2	Castlewood	7.5% (±9.2 points)
3	Bryant	5.6% (±11.4 points)
4	Estelline	4.7% (±12.4 points)
5	Hayti	0.5% (±15.5 points)
6 (tie)	Hazel	0.0% (±58.5 points)
6 (tie)	Brantford Township	0.0% (±98.4 points)
6 (tie)	Castlewood Township	0.0% (±54.0 points)

Showing 8 of 19 places in Hamlin 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 Castlewood

How many homes are in Castlewood?

Castlewood, SD has an estimated 307 (±56) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Castlewood houses or apartments?

85.3% are detached houses and 2.6% attached houses, while 8.8% are in buildings of two or more units.

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

1.3% of homes in Castlewood 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 — Castlewood 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 Castlewood city, South Dakota (place:10500, 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.