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COUNTY · 1990 CENSUS

Lyman County

South Dakota · 3,638 residents · 1,642.285 sq mi
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The short version

Lyman County has notably lower household income than the US average, with a median household income of $21,993. Population has declined 7% since 2000. 11% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $31,500. The poverty rate of 24.7% is well above the national figure.

At a glance
Lower income
below the US median
US median: $30,130
Younger
median age 31.3
US median: 33.0
Less educated
11% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

3,638
−7%vs 2000
vs 3,895 in 2000
1990 – 2025
2 / sq mi
−7%vs 2000
vs 2 / sq mi in 2000
US average: 221
31.3
−9%vs 2000
vs 34.5 in 2000
US average: 33.0
Population, 19902024
4K4K4K4K4K1990201020202024Lyman County
20244K
1990201020202024
Section 02

Income & economy

$21,993
+2%inflation adjusted, since 2000
vs $28,509 in 2000
US average: $30,130
1990 – 2024
$9,724
−30%vs 2000
vs $13,862 in 2000
US average: $14,340
24.7%
+0.4 ptsvs 2000
vs 24.3% in 2000
US average: 13.2%
Section 03

Housing

$31,500
−5%inflation adjusted, since 2000
vs $43,500 in 2000
US average: $93,722
1990 – 2024
$235
+8%inflation adjusted, since 2000
vs $288 in 2000
US average: $450
73.3%
+4.0 ptsvs 2000
vs 69.4% in 2000
26.7% rent
1.4
−6%vs 2000
vs 1.5 in 2000
1990 – 2024
RELATED:See current rent listings in Lyman County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic64.5%(2,512)
Black0.1%(3)
Hispanic / Latino0.5%(18)
Asian0.2%(9)
Other0%
Diversity Score2.9%(114)
1990
White, non-Hispanic70.9%(2,579)
Black0.1%(2)
Hispanic / Latino0.3%(12)
Asian0%(0)
Other29.1%(1,057)
Diversity Score52.1%(1,896)
52
+1682%vs 2000
vs 3 in 2000
1990 – 2024
Section 05

Education

10.5%
−5.3 ptsvs 2000
vs 15.9% in 2000
US average: 20.3%
High school or higher
71.0%
−10.2 ptsvs 2000
vs 81.1% in 2000
US average: 75.2%
2.8%
−1.3 ptsvs 2000
vs 4.1% in 2000
US average: 7.1%
Section 06

Commute & transportation

20.6 min
+45%vs 2000
vs 14.1 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 Lyman County, South Dakota?

Lyman County, South Dakota has about 3,638 residents according to the 1990 Census.

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

The typical household in Lyman County, South Dakota earns about $21,993 a year. Half of households make more than that, and half make less.

Is Lyman County, South Dakota expensive?

In Lyman County, South Dakota, the median home is worth about $31,500, and the typical rent is about $235 a month.

How educated are people in Lyman County, South Dakota?

About 10.5% of adults age 25 and over in Lyman County, South Dakota hold a bachelor's degree or higher.

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

About 24.7% of people in Lyman 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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