What kinds of homes are in Barnwell, SC?

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

Barnwell, SC has 2,289 (±235) homes (2020–2024 American Community Survey).

That is about 292 homes per square mile of land.

68.4% are detached single-family houses.

4.8% are in buildings of two to four units.

10.7% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 2,289 (±235)
Detached houses: 68.4%
2–4 unit buildings: 4.8%
5+ unit buildings: 10.7%

Homes in Barnwell by building size

Housing units by units in structure, 2020–2024
Building type	Barnwell	Barnwell County	South Carolina	United States
Single-family, detached	68.4% (±7.1 points)	58.4%	64.5%	61.3%
Single-family, attached (townhouse, rowhouse)	3.1% (±2.5 points)	0.8%	3.7%	6.2%
2 units	0.9% (±1.4 points)	1.3%	1.7%	3.4%
3 or 4 units	3.9% (±2.9 points)	3.0%	2.8%	4.3%
5 to 9 units	5.7% (±4.5 points)	2.0%	4.0%	4.5%
10 to 19 units	1.4% (±2.2 points)	0.4%	3.3%	4.3%
20 or more units	3.6% (±2.8 points)	1.0%	5.6%	10.3%
Mobile home	13.1% (±6.1 points)	32.8%	14.2%	5.6%
Boat, RV, van, etc.	0.0% (±1.9 points)	0.3%	0.2%	0.1%

In Barnwell, the share of homes in buildings of five or more units is higher than in Barnwell County (3.4%).

It is not measurably different from South Carolina (12.9%).

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

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

Nearest places with a published estimate, compared with Barnwell
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Barnwell	—	10.7% (±5.7 points)	—
Snelling	6.3 mi	0.0% (±65.1 points)	Not measurably different
Hilda	7.5 mi	0.0% (±27.4 points)	Not measurably different
Kline	8.2 mi	0.0% (±55.1 points)	Not measurably different
Blackville	8.4 mi	5.4% (±5.3 points)	Not measurably different
Elko	9.6 mi	0.0% (±52.5 points)	Not measurably different
Govan	11 mi	0.0% (±128.9 points)	Not measurably different
Olar	11 mi	0.0% (±51.3 points)	Not measurably different
Williston	12 mi	2.0% (±4.9 points)	Lower

Nearby places with a measurably lower figure: Williston, SC (2.0%).

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 Barnwell County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Barnwell	10.7% (±5.7 points)
2	Blackville	5.4% (±5.3 points)
3	Williston	2.0% (±4.9 points)
4 (tie)	Elko	0.0% (±52.5 points)
4 (tie)	Hilda	0.0% (±27.4 points)
4 (tie)	Kline	0.0% (±55.1 points)
4 (tie)	Snelling	0.0% (±65.1 points)

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 Barnwell

How many homes are in Barnwell?

Barnwell, SC has an estimated 2,289 (±235) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Barnwell houses or apartments?

68.4% are detached houses and 3.1% attached houses, while 15.5% are in buildings of two or more units.

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

4.8% of homes in Barnwell 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 — Barnwell city, South Carolina

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 Barnwell city, South Carolina (place:04060, in state:45).

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.