CensusEasy
CITY · 1990 CENSUS

Keystone

South Dakota · 219 residents · 3.002 sq mi
Time machine
COMPARE TO
Compare
The short version

Keystone has notably lower household income than the US average, with a median household income of $21,250. Population has fallen 30% since 2000, a loss of 92 residents. Median home value is $32,900. With a median age of 39.4, the population is older than the US median of 33.0.

At a glance
Lower income
below the US median
US median: $30,130
Older
median age 39.4
US median: 33.0
Average education
22% 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

219
−30%vs 2000
vs 311 in 2000
1990 – 2025
73 / sq mi
−30%vs 2000
vs 104 / sq mi in 2000
US average: 221
39.4
−4%vs 2000
vs 41.1 in 2000
US average: 33.0
Population, 19902024
1942693444194941990201020202024Keystone
2024336
1990201020202024
Section 02

Income & economy

$21,250
+6%inflation adjusted, since 2000
vs $26,406 in 2000
US average: $30,130
1990 – 2024
$9,394
−41%vs 2000
vs $15,828 in 2000
US average: $14,340
19.4%
+2.5 ptsvs 2000
vs 16.9% in 2000
US average: 13.2%
Section 03

Housing

$32,900
+14%inflation adjusted, since 2000
vs $38,100 in 2000
US average: $93,722
1990 – 2024
$292
−22%inflation adjusted, since 2000
vs $492 in 2000
US average: $450
81.9%
+15.5 ptsvs 2000
vs 66.4% in 2000
18.1% rent
1.5
+7%vs 2000
vs 1.4 in 2000
1990 – 2024
RELATED:See current rent listings in Keystone on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic93.2%(290)
Black0%(0)
Hispanic / Latino3.5%(11)
Asian0%(0)
Other0%
Diversity Score8.8%(27)
1990
White, non-Hispanic100%(219)
Black0%(0)
Hispanic / Latino1.8%(4)
Asian0%(0)
Other0%(0)
Diversity Score4.4%(10)
4
−50%vs 2000
vs 9 in 2000
1990 – 2024
Section 05

Education

22.1%
+7.6 ptsvs 2000
vs 14.5% in 2000
US average: 20.3%
High school or higher
82.5%
−0.7 ptsvs 2000
vs 83.2% in 2000
US average: 75.2%
5.8%
+3.0 ptsvs 2000
vs 2.8% in 2000
US average: 7.1%
Section 06

Commute & transportation

34.7 min
+119%vs 2000
vs 15.9 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.

Drill deeper

Places similar to Keystone

Head to head

Compare Keystone to nearby cities

Frequently asked

How many people live in Keystone, South Dakota?

Keystone, South Dakota has about 219 residents according to the 1990 Census.

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

The typical household in Keystone, South Dakota earns about $21,250 a year. Half of households make more than that, and half make less.

Is Keystone, South Dakota expensive?

In Keystone, South Dakota, the median home is worth about $32,900, and the typical rent is about $292 a month.

How educated are people in Keystone, South Dakota?

About 22.1% of adults age 25 and over in Keystone, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Keystone, South Dakota?

About 19.4% of people in Keystone, South Dakota live below the federal poverty line.

Keep going

Explore from here

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

How we source and harmonize this data →