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CITY · 2020 ACS

Castlewood

South Dakota · 698 residents · 1.15 sq mi
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The short version

Castlewood has roughly average household income, with a median household income of $60,893. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $139,500. Poverty is rare here, at 1.7% of residents.

At a glance
Lower income
below the US median
US median: $66,278
Younger
median age 35.3
US median: 38.8
Less educated
23% hold a bachelor's degree
US average: 33%
Less affordable
home values up 66%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
698
+5%since 2000
from 666 in 2000
1990 – 2025
Population density
607 / sq mi
+5%since 2000
from 579 / sq mi in 2000
US average: 280
Median age
35.3
+1%since 2000
from 35.1 in 2000
US average: 38.8
Population, 1990 – 2024
5296046797548291990201020202024Castlewood
2024804
1990201020202024
Section 02

Income & economy

Median household income
$60,893
+11%inflation adjusted, since 2000
from $36,607 in 2000
US average: $66,278
1990 – 2024
Per capita income
$27,615
+56%since 2000
from $17,682 in 2000
US average: $35,364
Households earning $100K+
34.2%
+16.8 ptssince 2009
from 17.4% in 2009
US average: 43.9%
Poverty rate
1.7%
−5.4 ptssince 2000
from 7.1% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade19.4%
US avg: 10%
Information7.3%
US avg: 11.1%
Transportation & warehousing5.5%
US avg: 2.5%
Finance & insurance5.5%
US avg: 5.5%
Other services4.5%
US avg: 6.6%
Public administration4.2%
US avg: 4.7%
Professional, scientific, technical3.1%
US avg: 4.7%
Wholesale trade2.8%
US avg: 6.7%
Education & health services2.4%
US avg: 0.8%
Agriculture, forestry, fishing1.4%
US avg: 1.7%
Manufacturing1.4%
US avg: 0.5%
Arts, entertainment, food0.7%
US avg: 2%
Construction0%
US avg: 1.2%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$139,500
+66%inflation adjusted, since 2000
from $55,800 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$670
+17%inflation adjusted, since 2000
from $381 in 2000
US average: $1,124
Owner-occupied
76.3%
−4.3 ptssince 2000
from 80.6% in 2000
23.7% rent
Afford Score
2.3
+50%since 2000
from 1.5 in 2000
1990 – 2024
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)
2020
White, non-Hispanic91.5%(639)
Black0.1%(1)
Hispanic / Latino4%(28)
Asian0%(0)
Other1.4%(10)
Diversity Score13.6%(95)
Diversity Score
14
+1697%since 2000
from 1 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
22.5%
+6.2 ptssince 2000
from 16.4% in 2000
US average: 32.9%
High school or higher
97.1%
+10.8 ptssince 2000
from 86.3% in 2000
US average: 88.5%
Graduate degree
3.8%
+0.2 ptssince 2000
from 3.6% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
16.7 min
+23%since 2000
from 13.6 min in 2000
US average: 26.9
Drive alone to work
83.7%
+9.2 ptssince 2009
from 74.5% in 2009
US average: 75.1%
No vehicle available
0.4%
−4.8 ptssince 2009
from 5.3% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
1.4%
−8.1 ptssince 2011
from 9.5% in 2011
US average: 5.4%
Labor force participation
66.0%
−5.8 ptssince 2011
from 71.8% in 2011
US average: 63.4%
Management & professional
34.9%
−15.2 ptssince 2009
from 50.2% in 2009
US average: 39.3%
Section 08

People & community

Male
48.8%
−6.7 ptssince 2009
from 55.5% in 2009
Female
51.2%
+6.7 ptssince 2009
from 44.5% in 2009
Foreign born
0.7%
−1.2 ptssince 2009
from 1.9% in 2009
US average: 13.5%
Uninsured
10.0%
−74.3 ptssince 2013
from 84.3% in 2013
US average: 8.8%
Drill deeper

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Head to head

Compare Castlewood to nearby cities

CASTLEWOOD VS
Watertown
Income$69,600+14%
Home value$229,400+64%
Population23,736+3112%
SEE FULL COMPARISON →
CASTLEWOOD VS
Brookings
Income$63,493+4%
Home value$265,500+90%
Population25,355+3331%
SEE FULL COMPARISON →
CASTLEWOOD VS
Huron
Income$61,452+1%
Home value$159,000+14%
Population14,607+1877%
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CASTLEWOOD VS
Marshall
Income$68,566+13%
Home value$210,300+51%
Population14,171+1818%
SEE FULL COMPARISON →
Frequently asked

How many people live in Castlewood, South Dakota?

Castlewood, South Dakota has about 698 residents according to the 2020 American Community Survey.

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

The typical household in Castlewood, South Dakota earns about $60,893 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 $139,500, and the typical rent is about $670 a month.

How educated are people in Castlewood, South Dakota?

About 22.5% 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 1.7% 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 144 residents, a change of about 26 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 →