Clay County, South Dakota

5 cities & places have their primary county here.

Population: 15,133
Median household income: $58,794
Median home value: $221,800

Home to 15,133 residents, Clay County is one of South Dakota's counties. 5 cities and places have their primary county here. At $58,794, its median household income sits below South Dakota's $72,421.

From 2019 to 2023, Clay County's population grew 8.4% from 13,957 to 15,133, while its median household income rose 15.9% from $50,724 to $58,794.

55.9% of homes are single-family detached houses. The typical home was built around 1976.

Demographics

ACS 2019–2023

Population: 15,133
Median age: 24.5 yrs
Median household income: $58,794
Median home value: $221,800
Median gross rent: $736
Housing units: 6,243
Homeownership rate: 51.8%
Bachelor's degree or higher: 46.0%
Unemployment rate: 8.4%

Trends

ACS 5-year · 2019–2023

Population

13,95715,133

Median household income

$50,724$58,794

Median home value

$168,300$221,800

Median gross rent

$741$736

Year	Population	Median household income	Median home value	Median gross rent
2019	13,957	$50,724	$168,300	$741
2020	14,076	$51,447	$168,100	$726
2021	14,816	$56,077	$179,000	$725
2022	14,953	$55,963	$209,300	$758
2023	15,133	$58,794	$221,800	$736

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.0%

5 to 1712.6%

18 to 2433.5%

25 to 3412.3%

35 to 448.2%

45 to 547.4%

55 to 648.9%

65 to 747.4%

75 and over4.8%

	Count	Share
Under 5	758	5.0%
5 to 17	1,908	12.6%
18 to 24	5,066	33.5%
25 to 34	1,856	12.3%
35 to 44	1,248	8.2%
45 to 54	1,114	7.4%
55 to 64	1,340	8.9%
65 to 74	1,120	7.4%
75 and over	723	4.8%

Race & ethnicity

	Count	Share
White (non-Hispanic)	13,077	86.4%
Black or African American	304	2.0%
American Indian & Alaska Native	387	2.6%
Asian	457	3.0%
Native Hawaiian & Pacific Islander	6	0.0%
Some other race	7	0.0%
Two or more races	407	2.7%
Hispanic or Latino (any race)	488	3.2%

Educational attainment (age 25+)

No high school diploma6.1%

High school graduate25.9%

Some college or associate's22.0%

Bachelor's degree24.7%

Graduate or professional degree21.3%

	Count	Share
No high school diploma	451	6.1%
High school graduate	1,920	25.9%
Some college or associate's	1,629	22.0%
Bachelor's degree	1,828	24.7%
Graduate or professional degree	1,573	21.3%

Commute to work

Mean travel time to work: 18 min

Drove alone73.5%

Carpooled5.4%

Public transit0.3%

Walked10.7%

Bicycle1.9%

Worked from home7.7%

Other means0.5%

How workers get to work

	Count	Share
Drove alone	5,437	73.5%
Carpooled	401	5.4%
Public transit	25	0.3%
Walked	792	10.7%
Bicycle	138	1.9%
Worked from home	571	7.7%
Other means	35	0.5%

Travel time

	Count	Share
Under 15 min	4,445	65.1%
15 to 29 min	833	12.2%
30 to 44 min	759	11.1%
45 to 59 min	446	6.5%
60+ min	345	5.1%

Households

Average household size: 2.28
Poverty rate: 19.8% (2,515 of 12,682)

	Count	Share
Family households	2,693	48.4%
Nonfamily households	2,868	51.6%

Housing

Median year structure built: 1976

Occupancy

	Count	Share
Occupied	5,561	89.1%
Vacant	682	10.9%

Tenure (of occupied units)

	Count	Share
Owner-occupied	2,878	51.8%
Renter-occupied	2,683	48.2%

1-unit, detached55.9%

1-unit, attached2.1%

2 to 4 units11.2%

5 to 19 units23.5%

20 or more units3.1%

Mobile home & other4.3%

Units in structure

	Count	Share
1-unit, detached	3,487	55.9%
1-unit, attached	131	2.1%
2 to 4 units	698	11.2%
5 to 19 units	1,469	23.5%
20 or more units	192	3.1%
Mobile home & other	266	4.3%

Geography

County GEOID: 46027
State: South Dakota
Land area: 412 sq mi
Water area: 5.4 sq mi
Center point: 42.9162, -96.9805