Spink County, South Dakota Demographics 2026

Name: Spink County, South Dakota Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Spink County, South Dakota has a population of 6,219, the 29th most populous county in South Dakota. The median household income is $70,139 and the median home value is $123,300. The poverty rate is 10.1%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Spink County Quick Facts

Population 6,219

Median Household Income $70,139

Median Home Value $123,300

Poverty Rate 10.1%

Unemployment Rate 1.3%

Median Age 45.5 years

Homeownership Rate 72.7%

Affordability Ratio 1.8x

Bachelor's Degree+ 28.2%

High School Graduation 93.7%

Cities/Places 13

Population 6,219 29th of 66

Median Income $70,139 7% lower than state

Poverty Rate 10.1%

Unemployment 1.3%

How Spink County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	6,283	6,219	-1.0%
Median household income	$73,011	$70,139	-3.9%
Median home value	$117,400	$123,300	+5.0%

Median Household Income

Spink

$70,139

$75,081

National

$80,734

Median Home Value

Spink

$123,300

$257,400

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 13.2%

$25K-$50K 18.5%

$50K-$100K 35.7%

$100K+ 32.7%

Detailed income brackets

Under $10K

2.7%

$10K-$15K

3.2%

$15K-$20K

3.1%

$20K-$25K

4.1%

$25K-$30K

4.4%

$30K-$35K

4.0%

$35K-$40K

3.6%

$40K-$45K

4.0%

$45K-$50K

2.4%

$50K-$60K

11.0%

$60K-$75K

10.0%

$75K-$100K

14.7%

$100K-$125K

14.0%

$125K-$150K

6.0%

$150K-$200K

5.2%

$200K+

7.5%

Employment

1.3% Unemployment Rate State: 2.9%|National: 5.2%

60.7% Labor Force Participation

Housing Overview

Owner 72.7%

Renter 27.3%

Affordability Index Very Affordable

1.8x home value to income ratio

Median gross rent $734/mo 12.6% of median household income annually

People & Demographics

Age Distribution

Under 18

21.1%

18-34

17.1%

35-54

21.5%

55-74

29.1%

75+

11.2%

Race & Ethnicity

Diversity Index

Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 35 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Spink County

City	Population	Median Income	Poverty	Home Value
Redfield	1,989	$58,229	6.0%	$120,200
Doland	209	$64,922	12.9%	$59,200
Ashton	204	$54,712	14.7%	$60,800
Mellette	199	$106,964	10.1%	$201,000
Tulare	175	$60,833	19.4%	$84,300
Northville	153	$105,000	3.9%	$150,000
Clark Colony	139	N/A	40.3%	N/A
Conde	128	$73,571	8.6%	$51,000
Frankfort	128	$68,750	6.3%	$67,500
Glendale Colony	112	N/A	8.9%	N/A
Spink Colony	88	N/A	77.3%	N/A
Brentford	83	N/A	32.5%	N/A
Turton	61	$48,750	9.8%	$75,000

Explore South Dakota Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Spink County is located in South Dakota with a total population of 6,219. It is the 29th most populous county out of 66 in South Dakota. The county encompasses 13 Census-designated places.

Age Demographics

The median age in Spink County is 45.5 years. This is 20% higher than the state median of 38.0 years. 11.2% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Spink County is $70,139. This is 7% lower than the state median of $75,081. It is also 13% lower than the national median of $80,734. The poverty rate stands at 10.1%. This is 16% lower than the state poverty rate of 11.9%. The unemployment rate is 1.3%. This is 54% lower than the state rate of 2.9%. The median home value is $123,300. Housing costs are 52% lower than the state median of $257,400. With a home-value-to-income ratio of just 1.8x, Spink County is one of the most affordable housing markets in the area. 72.7% of occupied housing units are owner-occupied. This homeownership rate is 6% higher than the state average of 68.6%.

Race & Ethnicity

Spink County has a predominantly White (non-Hispanic) population, comprising 92.6% of all residents. Hispanic or Latino residents account for 2.8%.

Education

28.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 12% lower than the state rate of 31.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.7%.

Data Sources & Methodology

All figures for Spink County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against South Dakota and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Spink County, South Dakota?

Spink County has a population of 6,219, making it the 29th most populous county in South Dakota.

What is the median income in Spink County?

The median household income in Spink County is $70,139 with a poverty rate of 10.1%.

How many cities are in Spink County, South Dakota?

Spink County contains 13 Census-designated places.