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CITY

Groton

South Dakota · 1,337 residents (2025 est.) · 1.751 sq mi
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The short version

Groton has roughly average household income, with a median household income of $89,861. Population has grown 25% since 2000. Median home value has roughly tripled since 2000, reaching $190,600. At a median age of 33.9, residents skew younger than the country as a whole. Poverty is rare here, at 4.3% of residents. It sits in the top 10% of US cities for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Younger
median age 33.9
US median: 38.9
Average education
36% hold a bachelor's degree
US average: 36%
Less affordable
home values up 60%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
1,691
+25%since 2000
from 1,356 in 2000
1990 – 2025
Population density
966 / sq mi
+25%since 2000
from 774 / sq mi in 2000
US average: 281
Median age
33.9
−12%since 2000
from 38.6 in 2000
US average: 38.9

PEP 2025 EST:1,337 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
1K1K2K2K2K1990201020202024Groton
20242K
1990201020202024
Section 02

Income & economy

Median household income
$89,861
+29%inflation adjusted, since 2000
from $38,125 in 2000
US average: $82,259
1990 – 2024
Per capita income
$40,980
+138%since 2000
from $17,248 in 2000
US average: $44,673
Households earning $100K+
59.4%
+31.1 ptssince 2009
from 28.3% in 2009
US average: 53.3%
Poverty rate
4.3%
−1.5 ptssince 2000
from 5.8% in 2000
US average: 12.5%
Income inequality (Gini)
0.380
+6%since 2010
from 0.358 in 2010
US average: 0.476
Workforce by industry, 2024
Information14.9%
US avg: 10.8%
Retail trade12.9%
US avg: 9.9%
Agriculture, forestry, fishing11.3%
US avg: 1.6%
Construction10.7%
US avg: 1.2%
Other services9%
US avg: 6.7%
Public administration8.4%
US avg: 4.8%
Transportation & warehousing5%
US avg: 2.2%
Wholesale trade4.3%
US avg: 6.9%
Finance & insurance2.1%
US avg: 5.9%
Education & health services1.6%
US avg: 0.9%
Manufacturing0.6%
US avg: 0.4%
Professional, scientific, technical0.5%
US avg: 5.1%
Arts, entertainment, food0.3%
US avg: 1.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$190,600
+60%inflation adjusted, since 2000
from $65,200 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$981
+46%inflation adjusted, since 2000
from $368 in 2000
US average: $1,442
Owner-occupied
73.1%
−0.5 ptssince 2000
from 73.7% in 2000
26.9% rent
Vacancy rate
9.9%
+4.4 ptssince 2009
from 5.6% in 2009
US average: 10.0%
Owner cost-burdened
12.9%
−2.3 ptssince 2009
from 15.2% in 2009
US average: 22.9%
Renter cost-burdened
35.7%
−5.6 ptssince 2009
from 41.3% in 2009
US average: 47.4%
Afford Score
2.1
+24%since 2000
from 1.7 in 2000
1990 – 2024
Gentrification Score
73
RELATED:See current rent listings in Groton on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.7%(1,338)
Black0%(0)
Hispanic / Latino0.4%(6)
Asian0%(0)
Other0%
Diversity Score1.1%(15)
2024
White, non-Hispanic90%(1,522)
Black0%(0)
Hispanic / Latino5.2%(88)
Asian2.1%(36)
Other2.7%(45)
Diversity Score23.3%(393)
Diversity Score
23
+1993%since 2000
from 1 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
35.5%
+13.4 ptssince 2000
from 22.1% in 2000
US average: 35.6%
High school or higher
95.6%
+11.0 ptssince 2000
from 84.5% in 2000
US average: 89.6%
Graduate degree
13.2%
+8.7 ptssince 2000
from 4.5% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
16.8 min
+38%since 2000
from 12.2 min in 2000
US average: 26.5
Drive alone to work
91.4%
+8.4 ptssince 2009
from 83.0% in 2009
US average: 68.9%
Carpooled to work
3.3%
−3.1 ptssince 2009
from 6.4% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
3.8%
−1.0 ptssince 2009
from 4.8% in 2009
US average: 15.0%
Walked to work
1.5%
−3.9 ptssince 2009
from 5.4% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
3.2%
−1.5 ptssince 2009
from 4.7% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
1.1%
−0.2 ptssince 2011
from 1.3% in 2011
US average: 5.2%
Labor force participation
73.2%
+0.8 ptssince 2011
from 72.5% in 2011
US average: 63.5%
Self-employed
12.1%
−1.4 ptssince 2009
from 13.6% in 2009
US average: 13.1%
Management & professional
44.6%
−17.4 ptssince 2009
from 62.0% in 2009
US average: 42.5%
Section 08

People & community

Male
51.7%
+1.9 ptssince 2009
from 49.9% in 2009
Female
48.3%
−1.9 ptssince 2009
from 50.1% in 2009
Foreign born
3.4%
+3.4 ptssince 2009
from 0.0% in 2009
US average: 14.1%
Veterans
6.1%
−42.3 ptssince 2009
from 48.5% in 2009
US average: 6.2%
With a disability
11.5%
+3.0 ptssince 2012
from 8.5% in 2012
US average: 13.3%
Uninsured
4.9%
−91.8 ptssince 2013
from 96.7% in 2013
US average: 8.4%
Broadband at home
93.3%
+10.7 ptssince 2017
from 82.6% in 2017
US average: 91.0%
English only at home
95.6%
−2.2 ptssince 2016
from 97.8% in 2016
US average: 77.7%
Spanish at home
4.0%
+2.7 ptssince 2016
from 1.2% in 2016
US average: 13.6%
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Compare Groton to nearby cities

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GROTON VS
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GROTON VS
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GROTON VS
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Frequently asked

How many people live in Groton, South Dakota?

Groton, South Dakota has about 1,691 residents according to the 2024 American Community Survey.

What is the median household income in Groton, South Dakota?

The typical household in Groton, South Dakota earns about $89,861 a year. Half of households make more than that, and half make less.

Is Groton, South Dakota expensive?

In Groton, South Dakota, the median home is worth about $190,600, and the typical rent is about $981 a month.

How educated are people in Groton, South Dakota?

About 35.5% of adults age 25 and over in Groton, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Groton, South Dakota?

About 4.3% of people in Groton, South Dakota live below the federal poverty line.

Has Groton, South Dakota grown since 1990?

Yes, Groton, South Dakota has grown since 1990. The population has added about 479 residents, a change of about 40 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →

Groton, South Dakota: demographics, income & housing data · CensusEasy