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CITY

Castlewood

South Dakota · 739 residents (2025 est.) · 1.15 sq mi
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The short version

Castlewood has roughly average household income, with a median household income of $87,045. Population has grown 21% since 2000. Median home value has more than tripled since 2000, reaching $198,200. Poverty is rare here, at 4.4% of residents.

At a glance
Wealthier
above the US median
US median: $82,259
Younger
median age 36.5
US median: 38.9
Less educated
25% hold a bachelor's degree
US average: 36%
Less affordable
home values up 95%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
804
+21%since 2000
from 666 in 2000
1990 – 2025
Population density
699 / sq mi
+21%since 2000
from 579 / sq mi in 2000
US average: 281
Median age
36.5
+4%since 2000
from 35.1 in 2000
US average: 38.9

PEP 2025 EST:739 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
5296046797548291990201020202024Castlewood
2024804
1990201020202024
Section 02

Income & economy

Median household income
$87,045
+31%inflation adjusted, since 2000
from $36,607 in 2000
US average: $82,259
1990 – 2024
Per capita income
$34,158
+93%since 2000
from $17,682 in 2000
US average: $44,673
Households earning $100K+
59.9%
+42.5 ptssince 2009
from 17.4% in 2009
US average: 53.3%
Poverty rate
4.4%
−2.7 ptssince 2000
from 7.1% in 2000
US average: 12.5%
Income inequality (Gini)
0.353
−19%since 2010
from 0.437 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade20.4%
US avg: 9.9%
Agriculture, forestry, fishing8.7%
US avg: 1.6%
Construction7.3%
US avg: 1.2%
Transportation & warehousing6%
US avg: 2.2%
Information5.3%
US avg: 10.8%
Finance & insurance4.2%
US avg: 5.9%
Other services4.2%
US avg: 6.7%
Public administration4.2%
US avg: 4.8%
Professional, scientific, technical2.9%
US avg: 5.1%
Wholesale trade2.7%
US avg: 6.9%
Manufacturing1.3%
US avg: 0.4%
Education & health services1.3%
US avg: 0.9%
Arts, entertainment, food1.1%
US avg: 1.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$198,200
+95%inflation adjusted, since 2000
from $55,800 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,139
+64%inflation adjusted, since 2000
from $381 in 2000
US average: $1,442
Owner-occupied
82.5%
+1.9 ptssince 2000
from 80.6% in 2000
17.5% rent
Vacancy rate
4.9%
−9.6 ptssince 2009
from 14.5% in 2009
US average: 10.0%
Owner cost-burdened
13.3%
−10.4 ptssince 2009
from 23.7% in 2009
US average: 22.9%
Renter cost-burdened
51.0%
+13.3 ptssince 2009
from 37.7% in 2009
US average: 47.4%
Afford Score
2.3
+49%since 2000
from 1.5 in 2000
1990 – 2024
Gentrification Score
91
RELATED:See current rent listings in Castlewood on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.6%(657)
Black0%(0)
Hispanic / Latino0.3%(2)
Asian0%(0)
Other0%
Diversity Score0.8%(5)
2024
White, non-Hispanic90.8%(730)
Black0.6%(5)
Hispanic / Latino0.5%(4)
Asian0%(0)
Other8.1%(65)
Diversity Score21.1%(170)
Diversity Score
21
+2693%since 2000
from 1 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
25.0%
+8.6 ptssince 2000
from 16.4% in 2000
US average: 35.6%
High school or higher
98.4%
+12.2 ptssince 2000
from 86.3% in 2000
US average: 89.6%
Graduate degree
5.0%
+1.4 ptssince 2000
from 3.6% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
25.2 min
+86%since 2000
from 13.6 min in 2000
US average: 26.5
Drive alone to work
79.5%
+5.0 ptssince 2009
from 74.5% in 2009
US average: 68.9%
Carpooled to work
14.4%
+2.1 ptssince 2009
from 12.3% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
3.6%
−1.2 ptssince 2009
from 4.8% in 2009
US average: 15.0%
Walked to work
2.5%
−4.6 ptssince 2009
from 7.1% in 2009
US average: 2.4%
Biked to work
0.0%
−1.3 ptssince 2009
from 1.3% in 2009
US average: 0.4%
No vehicle available
1.7%
−3.6 ptssince 2009
from 5.3% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
1.7%
−7.8 ptssince 2011
from 9.5% in 2011
US average: 5.2%
Labor force participation
78.2%
+6.4 ptssince 2011
from 71.8% in 2011
US average: 63.5%
Self-employed
20.2%
+11.2 ptssince 2009
from 9.0% in 2009
US average: 13.1%
Management & professional
35.6%
−14.6 ptssince 2009
from 50.2% in 2009
US average: 42.5%
Section 08

People & community

Male
52.7%
−2.8 ptssince 2009
from 55.5% in 2009
Female
47.3%
+2.8 ptssince 2009
from 44.5% in 2009
Foreign born
0.7%
−1.2 ptssince 2009
from 1.9% in 2009
US average: 14.1%
Veterans
8.2%
−46.3 ptssince 2009
from 54.4% in 2009
US average: 6.2%
With a disability
10.4%
+0.8 ptssince 2012
from 9.6% in 2012
US average: 13.3%
Uninsured
10.0%
−74.3 ptssince 2013
from 84.3% in 2013
US average: 8.4%
Broadband at home
80.1%
+7.0 ptssince 2017
from 73.1% in 2017
US average: 91.0%
English only at home
99.4%
+0.5 ptssince 2016
from 99.0% in 2016
US average: 77.7%
Spanish at home
0.6%
+0.6 ptssince 2016
from 0.0% in 2016
US average: 13.6%
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Compare Castlewood to nearby cities

CASTLEWOOD VS
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Home value$229,400+16%
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CASTLEWOOD VS
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Home value$265,500+34%
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CASTLEWOOD VS
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Home value$159,000−20%
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CASTLEWOOD VS
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Home value$210,300+6%
Population14,171+1818%
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Frequently asked

How many people live in Castlewood, South Dakota?

Castlewood, South Dakota has about 804 residents according to the 2024 American Community Survey.

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

The typical household in Castlewood, South Dakota earns about $87,045 a year. Half of households make more than that, and half make less.

Is Castlewood, South Dakota expensive?

In Castlewood, South Dakota, the median home is worth about $198,200, and the typical rent is about $1,139 a month.

How educated are people in Castlewood, South Dakota?

About 25.0% of adults age 25 and over in Castlewood, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Castlewood, South Dakota?

About 4.4% of people in Castlewood, South Dakota live below the federal poverty line.

Has Castlewood, South Dakota grown since 1990?

Yes, Castlewood, South Dakota has grown since 1990. The population has added about 250 residents, a change of about 45 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 →

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