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CITY · 2020 ACS

Interior

South Dakota · 65 residents · 1.339 sq mi
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The short version

Interior has roughly average household income, with a median household income of $60,625. Population has fallen 16% since 2000, a loss of 12 residents. 19% of adults hold a bachelor's degree or higher, below the national rate of 33%.

At a glance
Lower income
below the US median
US median: $66,278
Older
median age 42.3
US median: 38.8
Less educated
19% hold a bachelor's degree
US average: 33%
Owner-heavy
77% owner-occupied
US average: 63%
Section 01

Population & growth

Total population
65
−16%since 2000
from 77 in 2000
1990 – 2025
Population density
49 / sq mi
−16%since 2000
from 58 / sq mi in 2000
US average: 280
Median age
42.3
+7%since 2000
from 39.5 in 2000
US average: 38.8
Population, 1990 – 2024
183960801011990201020202024Interior
202477
1990201020202024
Section 02

Income & economy

Median household income
$60,625
+27%inflation adjusted, since 2000
from $31,719 in 2000
US average: $66,278
1990 – 2020
Per capita income
$27,091
−1%since 2000
from $27,247 in 2000
US average: $35,364
Households earning $100K+
0.0%
−10.0 ptssince 2009
from 10.0% in 2009
US average: 43.9%
Poverty rate
12.8%
+3.9 ptssince 2000
from 8.8% in 2000
US average: 12.8%
Workforce by industry, 2020
Information19.4%
US avg: 11.1%
Agriculture, forestry, fishing0%
US avg: 1.7%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
Wholesale trade0%
US avg: 6.7%
Retail trade0%
US avg: 10%
Transportation & warehousing0%
US avg: 2.5%
Finance & insurance0%
US avg: 5.5%
Professional, scientific, technical0%
US avg: 4.7%
Education & health services0%
US avg: 0.8%
Arts, entertainment, food0%
US avg: 2%
Other services0%
US avg: 6.6%
Public administration0%
US avg: 4.7%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Owner-occupied
77.4%
−14.0 ptssince 2000
from 91.4% in 2000
22.6% rent
RELATED:See current rent listings in Interior on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic61%(47)
Black0%(0)
Hispanic / Latino1.3%(1)
Asian0%(0)
Other0%
Diversity Score5.1%(4)
2020
White, non-Hispanic52.3%(34)
Black0%(0)
Hispanic / Latino3.1%(2)
Asian0%(0)
Other0%(0)
Diversity Score13.1%(9)
Diversity Score
13
+157%since 2000
from 5 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
19.1%
+4.9 ptssince 2000
from 14.3% in 2000
US average: 32.9%
High school or higher
95.7%
+4.7 ptssince 2000
from 91.1% in 2000
US average: 88.5%
Graduate degree
0.0%
−3.6 ptssince 2000
from 3.6% in 2000
US average: 12.7%
Section 06

Commute & transportation

Drive alone to work
90.3%
+42.7 ptssince 2009
from 47.6% in 2009
US average: 75.1%
No vehicle available
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
0.0%
Unchangedsince 2011
from 0.0% in 2011
US average: 5.4%
Labor force participation
66.0%
−2.8 ptssince 2011
from 68.8% in 2011
US average: 63.4%
Management & professional
35.5%
−28.8 ptssince 2009
from 64.3% in 2009
US average: 39.3%
Section 08

People & community

Male
68.1%
+28.7 ptssince 2009
from 39.3% in 2009
Female
31.9%
−28.7 ptssince 2009
from 60.7% in 2009
Foreign born
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 13.5%
Uninsured
6.4%
−67.7 ptssince 2013
from 74.1% in 2013
US average: 8.8%
Drill deeper

Places similar to Interior

Millwood
Pop 66
El Dara
Pop 61
Howard
Pop 54
Alden
Pop 48
Places similar to Interior
Head to head

Compare Interior to nearby cities

INTERIOR VS
Box Elder
Income$73,008+20%
Home value$302,100
Population13,936+22021%
SEE FULL COMPARISON →
INTERIOR VS
Rapid City
Income$70,870+17%
Home value$299,400
Population80,589+127819%
SEE FULL COMPARISON →
INTERIOR VS
Pierre
Income$77,672+28%
Home value$230,700
Population13,848+21881%
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INTERIOR VS
Spearfish
Income$65,688+8%
Home value$346,200
Population14,154+22367%
SEE FULL COMPARISON →
Frequently asked

How many people live in Interior, South Dakota?

Interior, South Dakota has about 65 residents according to the 2020 American Community Survey.

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

The typical household in Interior, South Dakota earns about $60,625 a year. Half of households make more than that, and half make less.

How educated are people in Interior, South Dakota?

About 19.1% of adults age 25 and over in Interior, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Interior, South Dakota?

About 12.8% of people in Interior, South Dakota live below the federal poverty line.

Has Interior, South Dakota grown since 1990?

Yes, Interior, South Dakota has grown since 1990. The population has added about 21 residents, a change of about 48 percent over that period.

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

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