What kinds of homes are in Big Sioux Township, SD?

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

Big Sioux Township, SD has 1,913 (±106) homes (2020–2024 American Community Survey).

That is about 177 homes per square mile of land.

72.4% are detached single-family houses.

2.5% are in buildings of two to four units.

20.1% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,913 (±106)
Detached houses: 72.4%
2–4 unit buildings: 2.5%
5+ unit buildings: 20.1%

Homes in Big Sioux Township by building size

Housing units by units in structure, 2020–2024
Building type	Big Sioux Township	Union County	South Dakota	United States
Single-family, detached	72.4% (±6.3 points)	72.0%	66.9%	61.3%
Single-family, attached (townhouse, rowhouse)	3.0% (±2.8 points)	2.8%	4.6%	6.2%
2 units	0.0% (±1.3 points)	0.4%	1.6%	3.4%
3 or 4 units	2.5% (±3.3 points)	3.5%	3.5%	4.3%
5 to 9 units	2.6% (±2.6 points)	4.2%	4.0%	4.5%
10 to 19 units	0.0% (±1.3 points)	3.7%	4.3%	4.3%
20 or more units	17.5% (±6.1 points)	8.9%	7.8%	10.3%
Mobile home	1.4% (±1.9 points)	4.2%	7.2%	5.6%
Boat, RV, van, etc.	0.6% (±1.0 points)	0.3%	0.2%	0.1%

In Big Sioux Township, the share of homes in buildings of five or more units is not measurably different from Union County (16.8%).

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

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

Homes in buildings of 5 or more units in places near Big Sioux Township

Nearest places with a published estimate, compared with Big Sioux Township
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Big Sioux Township	—	20.1% (±6.8 points)	—
North Sioux City	1.2 mi	37.1% (±9.1 points)	Higher
Dakota Dunes	2.6 mi	25.4% (±8.6 points)	Not measurably different
Jefferson Township (Union County)	4.8 mi	0.0% (±9.9 points)	Lower
Jackson	6.1 mi	18.7% (±38.0 points)	Not measurably different
Jefferson	6.3 mi	7.9% (±11.2 points)	Not measurably different
Sioux City	6.4 mi	16.5% (±1.6 points)	Not measurably different
South Sioux City	6.5 mi	24.5% (±6.7 points)	Not measurably different
Dakota City	8.6 mi	5.7% (±5.2 points)	Lower

Nearby places with a measurably lower figure: Jefferson Township (Union County), SD (0.0%), Dakota City, NE (5.7%).

Nearby places with a measurably higher figure: North Sioux City, SD (37.1%).

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 Union County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	North Sioux City	37.1% (±9.1 points)
2	Dakota Dunes	25.4% (±8.6 points)
3	Big Sioux Township	20.1% (±6.8 points)
4	Prairie Township	14.3% (±36.8 points)
5	Beresford	12.2% (±5.0 points)
6	Elk Point	10.8% (±7.7 points)
7	Alcester	10.2% (±4.5 points)
8	Jefferson	7.9% (±11.2 points)
9 (tie)	Alcester Township	0.0% (±57.2 points)

Showing 9 of 18 places in Union 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 Big Sioux Township

How many homes are in Big Sioux Township?

Big Sioux Township, SD has an estimated 1,913 (±106) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Big Sioux Township houses or apartments?

72.4% are detached houses and 3.0% attached houses, while 22.6% are in buildings of two or more units.

How many two-family and small multifamily homes are in Big Sioux Township?

2.5% of homes in Big Sioux Township 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 — Big Sioux township, Union County, 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 Big Sioux township, Union County, South Dakota (county subdivision:05380, in state:46 county:127).

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.