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CITY

South Prairie

Washington · 353 residents (2025 est.) · 0.383 sq mi
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The short version

South Prairie is significantly wealthier than the US average, with a median household income of $117,250. Population has fallen 19% since 2000, a loss of 73 residents. 17% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has roughly tripled since 2000, reaching $444,000. Poverty is rare here, at 2.9% of residents. It ranks in the top 5% of US cities for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Mid-age
median age 38.5
US median: 38.9
Less educated
17% hold a bachelor's degree
US average: 36%
Less affordable
home values up 83%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
309
−19%since 2000
from 382 in 2000
1990 – 2025
Population density
807 / sq mi
−19%since 2000
from 997 / sq mi in 2000
US average: 281
Median age
38.5
+19%since 2000
from 32.4 in 2000
US average: 38.9

PEP 2025 EST:353 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
1592463344215081990201020202024South Prairie
2024309
1990201020202024
Section 02

Income & economy

Median household income
$117,250
+28%inflation adjusted, since 2000
from $50,250 in 2000
US average: $82,259
1990 – 2024
Per capita income
$45,532
+135%since 2000
from $19,345 in 2000
US average: $44,673
Households earning $100K+
82.3%
+38.8 ptssince 2009
from 43.5% in 2009
US average: 53.3%
Poverty rate
2.9%
−2.2 ptssince 2000
from 5.1% in 2000
US average: 12.5%
Income inequality (Gini)
0.292
−8%since 2010
from 0.316 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade25.5%
US avg: 9.9%
Information16.6%
US avg: 10.8%
Wholesale trade11.7%
US avg: 6.9%
Transportation & warehousing7.6%
US avg: 2.2%
Other services7.6%
US avg: 6.7%
Public administration3.4%
US avg: 4.8%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
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

Median home value
$444,000
+83%inflation adjusted, since 2000
from $133,500 in 2000
US average: $376,019
1990 – 2024
Owner-occupied
92.9%
+11.3 ptssince 2000
from 81.6% in 2000
7.1% rent
Vacancy rate
6.6%
+3.3 ptssince 2009
from 3.3% in 2009
US average: 10.0%
Owner cost-burdened
21.9%
+2.4 ptssince 2009
from 19.5% in 2009
US average: 22.9%
Renter cost-burdened
0.0%
−21.4 ptssince 2009
from 21.4% in 2009
US average: 47.4%
Afford Score
3.8
+43%since 2000
from 2.7 in 2000
1990 – 2024
Gentrification Score
68
RELATED:See current rent listings in South Prairie on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic93.5%(357)
Black1%(4)
Hispanic / Latino0.8%(3)
Asian1.3%(5)
Other0%
Diversity Score8%(30)
2024
White, non-Hispanic77.3%(239)
Black0%(0)
Hispanic / Latino11.7%(36)
Asian2.6%(8)
Other8.4%(26)
Diversity Score47.6%(147)
Diversity Score
48
+498%since 2000
from 8 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
16.9%
+3.2 ptssince 2000
from 13.7% in 2000
US average: 35.6%
High school or higher
90.7%
+1.4 ptssince 2000
from 89.3% in 2000
US average: 89.6%
Graduate degree
3.6%
+0.6 ptssince 2000
from 3.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
36.8 min
+64%since 2000
from 22.4 min in 2000
US average: 26.5
Drive alone to work
79.6%
−7.5 ptssince 2009
from 87.1% in 2009
US average: 68.9%
Carpooled to work
16.9%
+14.1 ptssince 2009
from 2.8% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
3.5%
−5.5 ptssince 2009
from 9.0% in 2009
US average: 15.0%
Walked to work
0.0%
−1.1 ptssince 2009
from 1.1% 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
8.2%
−4.6 ptssince 2011
from 12.8% in 2011
US average: 5.2%
Labor force participation
64.8%
−13.9 ptssince 2011
from 78.6% in 2011
US average: 63.5%
Self-employed
17.9%
+8.5 ptssince 2009
from 9.4% in 2009
US average: 13.1%
Management & professional
33.1%
−26.9 ptssince 2009
from 60.0% in 2009
US average: 42.5%
Section 08

People & community

Male
56.3%
Unchangedsince 2009
from 56.3% in 2009
Female
43.7%
Unchangedsince 2009
from 43.7% in 2009
Foreign born
4.9%
+4.9 ptssince 2009
from 0.0% in 2009
US average: 14.1%
Veterans
14.6%
−41.2 ptssince 2009
from 55.8% in 2009
US average: 6.2%
With a disability
19.7%
+12.5 ptssince 2012
from 7.2% in 2012
US average: 13.3%
Uninsured
2.6%
−80.7 ptssince 2013
from 83.3% in 2013
US average: 8.4%
Broadband at home
95.6%
+0.7 ptssince 2017
from 94.9% in 2017
US average: 91.0%
English only at home
96.7%
−2.6 ptssince 2016
from 99.2% in 2016
US average: 77.7%
Spanish at home
1.9%
+1.9 ptssince 2016
from 0.0% in 2016
US average: 13.6%
Drill deeper

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Compare South Prairie to nearby cities

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SOUTH PRAIRIE VS
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SOUTH PRAIRIE VS
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Home value$607,900+37%
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SOUTH PRAIRIE VS
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Home value$493,100+11%
Population8,884+2417%
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Frequently asked

How many people live in South Prairie, Washington?

South Prairie, Washington has about 309 residents according to the 2024 American Community Survey.

What is the median household income in South Prairie, Washington?

The typical household in South Prairie, Washington earns about $117,250 a year. Half of households make more than that, and half make less.

Is South Prairie, Washington expensive?

In South Prairie, Washington, the median home is worth about $444,000.

How educated are people in South Prairie, Washington?

About 16.9% of adults age 25 and over in South Prairie, Washington hold a bachelor's degree or higher.

What is the poverty rate in South Prairie, Washington?

About 2.9% of people in South Prairie, Washington live below the federal poverty line.

Has South Prairie, Washington grown since 1990?

Yes, South Prairie, Washington has grown since 1990. The population has added about 121 residents, a change of about 64 percent over that period.

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

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