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COUNTY · 1990 CENSUS

Brookings County

South Dakota · 25,207 residents · 792.217 sq mi
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The short version

Brookings County has notably lower household income than the US average, with a median household income of $21,807. Population has declined 11% since 2000. Median home value is $50,400. At a median age of 26.3, residents skew younger than the country as a whole. 27% of adults hold a bachelor's degree, well above the US average, yet household income trails the national figure — a profile common to graduate-student tracts and academic hubs.

At a glance
Lower income
below the US median
US median: $30,130
Younger
median age 26.3
US median: 33.0
More educated
27% hold a bachelor's degree
US average: 20%
More affordable
home values down 22%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

25,207
−11%vs 2000
vs 28,220 in 2000
1990 – 2025
32 / sq mi
−11%vs 2000
vs 36 / sq mi in 2000
US average: 221
26.3
−1%vs 2000
vs 26.6 in 2000
US average: 33.0
Population, 19902024
24K27K30K33K36K1990201020202024Brookings County
202435K
1990201020202024
Section 02

Income & economy

$21,807
−19%inflation adjusted, since 2000
vs $35,438 in 2000
US average: $30,130
1990 – 2024
$9,926
−44%vs 2000
vs $17,586 in 2000
US average: $14,340
17.8%
+3.8 ptsvs 2000
vs 14.0% in 2000
US average: 13.2%
Section 03

Housing

$50,400
−22%inflation adjusted, since 2000
vs $84,800 in 2000
US average: $93,722
1990 – 2024
$293
−3%inflation adjusted, since 2000
vs $396 in 2000
US average: $450
58.6%
+0.4 ptsvs 2000
vs 58.2% in 2000
41.4% rent
2.3
−3%vs 2000
vs 2.4 in 2000
1990 – 2024
RELATED:See current rent listings in Brookings County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic95.9%(27,062)
Black0.3%(85)
Hispanic / Latino0.9%(247)
Asian1.3%(375)
Other0%
Diversity Score6.3%(1,764)
1990
White, non-Hispanic97.7%(24,626)
Black0.2%(42)
Hispanic / Latino0.3%(83)
Asian1.2%(304)
Other0.9%(235)
Diversity Score6.4%(1,625)
6
+3%vs 2000
vs 6 in 2000
1990 – 2024
Section 05

Education

27.3%
−4.9 ptsvs 2000
vs 32.2% in 2000
US average: 20.3%
High school or higher
82.2%
−8.0 ptsvs 2000
vs 90.2% in 2000
US average: 75.2%
11.9%
−0.4 ptsvs 2000
vs 12.4% in 2000
US average: 7.1%
Section 06

Commute & transportation

17.4 min
+59%vs 2000
vs 11.0 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Brookings County, South Dakota?

Brookings County, South Dakota has about 25,207 residents according to the 1990 Census.

What is the median household income in Brookings County, South Dakota?

The typical household in Brookings County, South Dakota earns about $21,807 a year. Half of households make more than that, and half make less.

Is Brookings County, South Dakota expensive?

In Brookings County, South Dakota, the median home is worth about $50,400, and the typical rent is about $293 a month.

How educated are people in Brookings County, South Dakota?

About 27.3% of adults age 25 and over in Brookings County, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Brookings County, South Dakota?

About 17.8% of people in Brookings County, South Dakota live below the federal poverty line.

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

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Brookings County, South Dakota (1990): demographics, income & housing data · CensusEasy