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COUNTY

Grant County

South Dakota · 7,534 residents (2025 est.) · 681.446 sq mi
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The short version

Grant County has roughly average household income, with a median household income of $75,028. Population has declined 4% since 2000. Median home value has roughly tripled since 2000, reaching $171,000. With a median age of 44.5, the population is older than the US median of 38.9. It sits in the top 10% of US counties for household income.

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

Total population
7,563
−4%since 2000
from 7,847 in 2000
1990 – 2025
Population density
11 / sq mi
+6%since 2009
from 11 / sq mi in 2009
US average: 281
Median age
44.5
+10%since 2000
from 40.3 in 2000
US average: 38.9

PEP 2025 EST:7,534 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
7K7K8K8K8K1990201020202024Grant County
20248K
1990201020202024
Age distribution, 2024
Under 55.3%(398)
US avg: 5.6%
5 to 95.5%(414)
US avg: 6%
10 to 146.6%(499)
US avg: 6.4%
15 to 197.2%(543)
US avg: 6.6%
20 to 245.8%(442)
US avg: 6.5%
25 to 349.9%(750)
US avg: 13.7%
35 to 4410.5%(792)
US avg: 13.2%
45 to 5411%(835)
US avg: 12.2%
55 to 6414.8%(1,123)
US avg: 12.7%
65 to 7412.8%(967)
US avg: 10.2%
75 to 847.8%(593)
US avg: 5.1%
85 and over2.7%(207)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$75,028
+24%inflation adjusted, since 2000
from $33,088 in 2000
US average: $82,259
1990 – 2024
Per capita income
$37,694
+128%since 2000
from $16,543 in 2000
US average: $44,673
Households earning $100K+
50.0%
+30.6 ptssince 2009
from 19.5% in 2009
US average: 53.3%
Poverty rate
11.6%
+1.7 ptssince 2000
from 9.9% in 2000
US average: 12.5%
Income inequality (Gini)
0.424
+9%since 2010
from 0.388 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade12.2%
US avg: 9.9%
Information11.5%
US avg: 10.8%
Agriculture, forestry, fishing9.7%
US avg: 1.6%
Wholesale trade9.2%
US avg: 6.9%
Construction7.9%
US avg: 1.2%
Finance & insurance6.6%
US avg: 5.9%
Transportation & warehousing4.9%
US avg: 2.2%
Professional, scientific, technical3.8%
US avg: 5.1%
Education & health services2.8%
US avg: 0.9%
Other services2.1%
US avg: 6.7%
Public administration1.9%
US avg: 4.8%
Manufacturing1.8%
US avg: 0.4%
Arts, entertainment, food1%
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$171,000
+55%inflation adjusted, since 2000
from $60,500 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$763
+20%inflation adjusted, since 2000
from $350 in 2000
US average: $1,442
Owner-occupied
75.6%
−2.0 ptssince 2000
from 77.6% in 2000
24.4% rent
Vacancy rate
12.4%
+4.8 ptssince 2009
from 7.6% in 2009
US average: 10.0%
Owner cost-burdened
13.0%
−10.0 ptssince 2009
from 23.0% in 2009
US average: 22.9%
Renter cost-burdened
24.5%
−5.2 ptssince 2009
from 29.7% in 2009
US average: 47.4%
Afford Score
2.3
−5%since 2009
from 2.4 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
78
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Grant County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.5%(7,729)
Black0%(1)
Hispanic / Latino0.5%(43)
Asian0.2%(18)
Other0%
2024
White, non-Hispanic89.3%(6,751)
Black0.4%(28)
Hispanic / Latino7.4%(559)
Asian0.8%(59)
Other2.2%(166)
Diversity Score
25
+379%since 2009
from 5 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
5
−62%since 2020
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

Hispanic origin
Mexican5.5%(414)
Colombian1%(72)
Guatemalan0.4%(32)
Puerto Rican0.1%(11)
Asian origin
Burmese0.6%(47)
Japanese0.2%(12)
Chinese0%(1)
Ancestry
German44.3%(3,353)
Norwegian13.9%(1,049)
Irish7.5%(569)
American6%(455)
English4.5%(344)
Swedish4.3%(323)
Dutch3.5%(261)
French1.9%(144)
Czech1.5%(113)
Ukrainian1.4%(103)
Scottish1.2%(94)
Polish1.1%(82)
+ 14 more ancestry groups with data
Belgian0.9%(70)
Italian0.8%(59)
Russian0.6%(46)
Danish0.5%(39)
Austrian0.3%(22)
Finnish0.3%(21)
British0.1%(11)
Welsh0.1%(6)
Swiss0.1%(4)
RANKED:Largest German population · Largest Norwegian population · Largest Irish population · Largest American population · Largest Mexican population
Section 05

Education

Bachelor's degree or higher
25.3%
+10.5 ptssince 2000
from 14.8% in 2000
US average: 35.6%
High school or higher
91.6%
+12.1 ptssince 2000
from 79.5% in 2000
US average: 89.6%
Graduate degree
7.3%
+3.1 ptssince 2000
from 4.2% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
13.7 min
+27%since 2000
from 10.8 min in 2000
US average: 26.5
Drive alone to work
74.9%
+4.1 ptssince 2009
from 70.8% in 2009
US average: 68.9%
Carpooled to work
9.0%
−0.2 ptssince 2009
from 9.2% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
11.0%
+4.2 ptssince 2009
from 6.7% in 2009
US average: 15.0%
Walked to work
4.5%
−7.2 ptssince 2009
from 11.8% in 2009
US average: 2.4%
Biked to work
0.4%
−0.8 ptssince 2009
from 1.1% in 2009
US average: 0.4%
No vehicle available
3.6%
−0.6 ptssince 2009
from 4.2% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
2.7%
−0.7 ptssince 2011
from 3.4% in 2011
US average: 5.2%
Labor force participation
69.1%
−1.9 ptssince 2011
from 71.0% in 2011
US average: 63.5%
Self-employed
10.6%
−3.3 ptssince 2009
from 13.9% in 2009
US average: 13.1%
Management & professional
33.7%
−30.1 ptssince 2009
from 63.9% in 2009
US average: 42.5%
Section 08

People & community

Male
52.0%
+2.2 ptssince 2009
from 49.8% in 2009
Female
48.0%
−2.2 ptssince 2009
from 50.2% in 2009
Foreign born
6.5%
+4.9 ptssince 2009
from 1.6% in 2009
US average: 14.1%
Veterans
7.5%
−41.8 ptssince 2009
from 49.3% in 2009
US average: 6.2%
With a disability
15.1%
+1.1 ptssince 2012
from 14.0% in 2012
US average: 13.3%
Uninsured
7.8%
−81.8 ptssince 2013
from 89.6% in 2013
US average: 8.4%
Broadband at home
84.1%
+8.5 ptssince 2017
from 75.6% in 2017
US average: 91.0%
English only at home
89.2%
−5.2 ptssince 2016
from 94.4% in 2016
US average: 77.7%
Spanish at home
6.0%
+2.9 ptssince 2016
from 3.1% in 2016
US average: 13.6%
Marital status
Men 15+
Never married28.3%(926)
Married57.8%(1,894)
Widowed4.1%(135)
Divorced9.8%(322)
Women 15+
Never married14.4%(429)
Married61.8%(1,839)
Widowed11.1%(329)
Divorced12.7%(378)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

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Head to head

Compare Grant County to nearby counties

GRANT COUNTY VS
Big Stone County
Income$70,400−6%
Home value$169,100−1%
Population5,054−33%
SEE FULL COMPARISON →
GRANT COUNTY VS
Codington County
Income$72,727−3%
Home value$237,700+39%
Population29,562+292%
SEE FULL COMPARISON →
GRANT COUNTY VS
Deuel County
Income$83,112+11%
Home value$205,900+20%
Population4,408−41%
SEE FULL COMPARISON →
GRANT COUNTY VS
Lac qui Parle County
Income$74,432−1%
Home value$157,600−8%
Population6,704−11%
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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Explore from here

2 census tracts
Census Tract 9531Census Tract 9533
10 ZIP codes
ZIP 57252ZIP 57216ZIP 57266ZIP 57259ZIP 57256ZIP 57251ZIP 57265ZIP 57264ZIP 57269ZIP 57246
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →