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CITY

Erwin

South Dakota · 41 residents (2025 est.) · 0.476 sq mi
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The short version

Erwin has roughly average household income, with a median household income of $86,250. The city has grown rapidly, with population up 81% since 2000. 12% of adults hold a bachelor's degree or higher, below the national rate of 36%. At a median age of 19.9, residents skew younger than the country as a whole. Poverty is rare here, at 0.0% of residents.

At a glance
Average income
near the US median
US median: $82,259
Younger
median age 19.9
US median: 38.9
Less educated
12% hold a bachelor's degree
US average: 36%
Owner-heavy
100% owner-occupied
US average: 65%
Section 01

Population & growth

Total population
105
+81%since 2000
from 58 in 2000
1990 – 2025
Population density
221 / sq mi
+81%since 2000
from 122 / sq mi in 2000
US average: 281
Median age
19.9
−62%since 2000
from 52.0 in 2000
US average: 38.9

PEP 2025 EST:41 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
274870911121990201020202024Erwin
2024105
1990201020202024
Section 02

Income & economy

Median household income
$86,250
+43%inflation adjusted, since 2000
from $33,125 in 2000
US average: $82,259
1990 – 2024
Per capita income
$19,630
+25%since 2000
from $15,661 in 2000
US average: $44,673
Households earning $100K+
63.6%
+63.6 ptssince 2009
from 0.0% in 2009
US average: 53.3%
Poverty rate
0.0%
Unchangedsince 2000
from 0.0% in 2000
US average: 12.5%
Income inequality (Gini)
0.203
−36%since 2010
from 0.319 in 2010
US average: 0.476
Workforce by industry, 2024
Wholesale trade41.9%
US avg: 6.9%
Other services12.9%
US avg: 6.7%
Public administration12.9%
US avg: 4.8%
Agriculture, forestry, fishing3.2%
US avg: 1.6%
Construction3.2%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
Retail trade0%
US avg: 9.9%
Transportation & warehousing0%
US avg: 2.2%
Information0%
US avg: 10.8%
Finance & insurance0%
US avg: 5.9%
Professional, scientific, technical0%
US avg: 5.1%
Education & health services0%
US avg: 0.9%
Arts, entertainment, food0%
US avg: 1.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Owner-occupied
100.0%
Unchangedsince 2000
from 100.0% in 2000
0.0% rent
Vacancy rate
38.9%
−12.4 ptssince 2009
from 51.3% in 2009
US average: 10.0%
Owner cost-burdened
9.1%
−6.7 ptssince 2009
from 15.8% in 2009
US average: 22.9%
RELATED:See current rent listings in Erwin on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic100%(58)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%
Diversity Score0%(0)
2024
White, non-Hispanic100%(105)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%(0)
Diversity Score0%(0)
Diversity Score
0
from 0 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
11.5%
+5.3 ptssince 2000
from 6.3% in 2000
US average: 35.6%
High school or higher
100.0%
+12.5 ptssince 2000
from 87.5% in 2000
US average: 89.6%
Graduate degree
3.8%
+3.8 ptssince 2000
from 0.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
38.9 min
+22%since 2000
from 31.9 min in 2000
US average: 26.5
Drive alone to work
67.7%
−20.5 ptssince 2009
from 88.2% in 2009
US average: 68.9%
Carpooled to work
22.6%
+10.8 ptssince 2009
from 11.8% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
9.7%
+9.7 ptssince 2009
from 0.0% in 2009
US average: 15.0%
Walked to work
0.0%
Unchangedsince 2009
from 0.0% 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
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
0.0%
−4.5 ptssince 2011
from 4.5% in 2011
US average: 5.2%
Labor force participation
50.8%
−10.3 ptssince 2011
from 61.1% in 2011
US average: 63.5%
Self-employed
22.6%
+10.8 ptssince 2009
from 11.8% in 2009
US average: 13.1%
Management & professional
32.3%
−38.3 ptssince 2009
from 70.6% in 2009
US average: 42.5%
Section 08

People & community

Male
59.0%
+15.1 ptssince 2009
from 43.9% in 2009
Female
41.0%
−15.1 ptssince 2009
from 56.1% in 2009
Foreign born
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 14.1%
Veterans
10.3%
−35.8 ptssince 2009
from 46.2% in 2009
US average: 6.2%
With a disability
17.1%
−2.1 ptssince 2012
from 19.2% in 2012
US average: 13.3%
Uninsured
1.9%
−87.5 ptssince 2013
from 89.4% in 2013
US average: 8.4%
Broadband at home
90.9%
+48.8 ptssince 2017
from 42.1% in 2017
US average: 91.0%
English only at home
100.0%
+4.7 ptssince 2016
from 95.3% in 2016
US average: 77.7%
Spanish at home
0.0%
−4.7 ptssince 2016
from 4.7% in 2016
US average: 13.6%
Drill deeper

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ERWIN VS
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Frequently asked

How many people live in Erwin, South Dakota?

Erwin, South Dakota has about 105 residents according to the 2024 American Community Survey.

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

The typical household in Erwin, South Dakota earns about $86,250 a year. Half of households make more than that, and half make less.

How educated are people in Erwin, South Dakota?

About 11.5% of adults age 25 and over in Erwin, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Erwin, South Dakota?

About 0.0% of people in Erwin, South Dakota live below the federal poverty line.

Has Erwin, South Dakota grown since 1990?

Yes, Erwin, South Dakota has grown since 1990. The population has added about 63 residents, a change of about 150 percent over that period.

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

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