What kinds of homes are in Duncan, SC?

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

Duncan, SC has 2,054 (±285) homes (2020–2024 American Community Survey).

That is about 310 homes per square mile of land.

64.2% are detached single-family houses.

2.2% are in buildings of two to four units.

25.4% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 2,054 (±285)
Detached houses: 64.2%
2–4 unit buildings: 2.2%
5+ unit buildings: 25.4%

Homes in Duncan by building size

Housing units by units in structure, 2020–2024
Building type	Duncan	Spartanburg County	South Carolina	United States
Single-family, detached	64.2% (±13.2 points)	71.9%	64.5%	61.3%
Single-family, attached (townhouse, rowhouse)	1.1% (±1.8 points)	2.8%	3.7%	6.2%
2 units	1.1% (±1.8 points)	2.2%	1.7%	3.4%
3 or 4 units	1.1% (±1.9 points)	2.2%	2.8%	4.3%
5 to 9 units	6.6% (±6.7 points)	3.1%	4.0%	4.5%
10 to 19 units	9.7% (±9.0 points)	2.1%	3.3%	4.3%
20 or more units	9.1% (±7.3 points)	3.6%	5.6%	10.3%
Mobile home	7.1% (±4.5 points)	12.2%	14.2%	5.6%
Boat, RV, van, etc.	0.0% (±2.2 points)	0.1%	0.2%	0.1%

In Duncan, the share of homes in buildings of five or more units is higher than in Spartanburg County (8.8%).

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

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

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

Nearest places with a published estimate, compared with Duncan
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Duncan	—	25.4% (±13.4 points)	—
Lyman	3.1 mi	1.4% (±2.5 points)	Lower
Wellford	3.3 mi	10.4% (±7.6 points)	Not measurably different
Greer	4.9 mi	11.1% (±2.7 points)	Lower
Reidville	5.0 mi	0.0% (±9.5 points)	Lower
Fairforest	7.2 mi	8.7% (±10.6 points)	Not measurably different
Inman	8.4 mi	14.0% (±8.0 points)	Not measurably different
Arcadia	8.8 mi	42.7% (±13.0 points)	Not measurably different
Southern Shops	9.3 mi	0.7% (±4.9 points)	Lower

Nearby places with a measurably lower figure: Lyman, SC (1.4%), Greer, SC (11.1%), Reidville, SC (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 Spartanburg County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Arcadia	42.7% (±13.0 points)
2	Valley Falls	36.3% (±9.4 points)
3	Drayton	27.7% (±19.3 points)
4	Duncan	25.4% (±13.4 points)
5	Ben Avon	24.9% (±11.7 points)
6	Spartanburg	20.3% (±2.3 points)
7	Boiling Springs	16.7% (±6.8 points)
8	Inman	14.0% (±8.0 points)
9	Hilltop	11.4% (±8.6 points)
10 (tie)	Chesnee	10.4% (±11.5 points)

Showing 10 of 27 places in Spartanburg 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 Duncan

How many homes are in Duncan?

Duncan, SC has an estimated 2,054 (±285) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Duncan houses or apartments?

64.2% are detached houses and 1.1% attached houses, while 27.6% are in buildings of two or more units.

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

2.2% of homes in Duncan 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 — Duncan town, 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 Duncan town, South Carolina (place:21265, 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.