United States › South Dakota › Grant County COUNTY
Grant County South Dakota · 7,534 residents (2025 est.) · 681 sq mi
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The short version
Grant County is a county of 7,563 people in South Dakota. Few US counties rank higher on income. The median age is 44.5, about 6 years above the US median. Density works out to 11 people per square mile. The average commute runs 14 minutes. The typical home is worth $171,000, having roughly tripled since 2000.
At a glance
Lower income
below the US median
US median: $82,259
Older
median age 44.5
US median: 38.9
Less educated
25% hold a bachelor's degree
US average: 36%
Less affordable
home values up 55%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 7,847 in 2000
7,534 in 2025 (Census Bureau estimate)
from 11 / sq mi in 2009
US average: 281
from 40.3 in 2000
US average: 38.9
Population, 1990 – 2024
7K 7K 8K 8K 8K 1990 2000 2010 2020 2024 Grant County Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $75,028
+24%inflation adjusted, since 2000
from $33,088 in 2000
US average: $82,259
from $16,543 in 2000
US average: $44,673
Households earning $100K+
from 19.5% in 2009
US average: 53.3%
from 9.9% in 2000
US average: 12.5%
from 0.388 in 2010
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing 9.7%
Transportation & warehousing 4.9%
Professional, scientific, technical 3.8%
Education & health services 2.8%
Public administration 1.9%
Arts, entertainment, food 1%
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$171,000
+55%inflation adjusted, since 2000
from $60,500 in 2000
US average: $376,019
$763
+20%inflation adjusted, since 2000
from $350 in 2000
US average: $1,442
from 77.6% in 2000
24.4% rent
from 7.6% in 2009
US average: 10.0%
2.39 people
+15%since 2009
from 2.08 people in 2009
US average: 2.54
from 23.0% in 2009
US average: 22.9%
from 29.7% in 2009
US average: 47.4%
from 2.4 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 98.5%(7,729)
Hispanic / Latino 0.5%(43)
2024
White, non-Hispanic 89.3%(6,751)
Hispanic / Latino 7.4%(559)
from 5 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
from 14 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 14 more ancestry groups with data from 14.8% in 2000
US average: 35.6%
High school or higher
from 79.5% in 2000
US average: 89.6%
from 4.2% in 2000
US average: 14.0%
Section 06
Commute & transportation from 10.8 min in 2000
US average: 26.5
from 70.8% in 2009
US average: 68.9%
from 9.2% in 2009
US average: 8.5%
from 0.0% in 2009
US average: 3.2%
from 6.7% in 2009
US average: 15.0%
from 11.8% in 2009
US average: 2.4%
from 1.1% in 2009
US average: 0.4%
from 4.2% in 2009
US average: 8.3%
Section 07
Work & employment from 3.4% in 2011
US average: 5.2%
from 71.0% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 79.3% in 2020
US average: 74.6%
from 13.9% in 2009
US average: 13.1%
from 28.3% in 2009
US average: 42.5%
Section 08
People & community from 1.6% in 2009
US average: 14.1%
from 10.7% in 2009
US average: 6.2%
from 14.0% in 2012
US average: 13.3%
from 10.4% in 2013
US average: 8.4%
from 75.6% in 2017
US average: 91.0%
Computer in household
from 87.4% in 2020
US average: 95.5%
from 92.6% in 2020
US average: 87.7%
from 94.4% in 2016
US average: 77.7%
from 3.1% in 2016
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 10.4% in 2013
US average: 8.4%
from 58.5% in 2020
US average: 54.8%
Direct-purchase
from 24.8% in 2020
US average: 13.8%
from 22.3% in 2020
US average: 18.4%
from 7.1% in 2020
US average: 20.9%
VA health care
from 2.6% in 2020
US average: 2.2%
Any private
from 80.5% in 2020
US average: 67.1%
Any public
from 26.8% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 15.4%(68)
Gulf War (1990s) 21.7%(96)
Share of the 442 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Grant County Head to head
Compare Grant County to nearby counties GRANT COUNTY VS
Big Stone County
Income $70,400 −6%
Home value $169,100 −1%
Population 5,054 −33%
SEE FULL COMPARISON →
GRANT COUNTY VS
Codington County
Income $72,727 −3%
Home value $237,700 +39%
Population 29,562 +292%
SEE FULL COMPARISON →
GRANT COUNTY VS
Deuel County
Income $83,112 +11%
Home value $205,900 +20%
Population 4,408 −41%
SEE FULL COMPARISON →
GRANT COUNTY VS
Lac qui Parle County
Income $74,432 −1%
Home value $157,600 −8%
Population 6,704 −11%
SEE FULL COMPARISON →
Frequently asked
How many people live in Grant County, South Dakota? Grant County, South Dakota has about 7,563 residents according to the 2024 American Community Survey.
What is the median household income in Grant County, South Dakota? The typical household in Grant County, South Dakota earns about $75,028 a year. Half of households make more than that, and half make less.
Is Grant County, South Dakota expensive? In Grant County, South Dakota, the median home is worth about $171,000, and the typical rent is about $763 a month.
How educated are people in Grant County, South Dakota? About 25.3% of adults age 25 and over in Grant County, South Dakota hold a bachelor's degree or higher.
What is the poverty rate in Grant County, South Dakota? About 11.6% of people in Grant County, South Dakota live below the federal poverty line.
Has Grant County, South Dakota grown since 1990? Yes, Grant County, South Dakota has shrunk since 1990. The population has lost about 809 residents, a change of about -10 percent over that period.
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