CITY
St. Onge
South Dakota · 40 residents · 1.345 sq mi
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Part of the Spearfish micropolitan area
The short version
Population has declined 13% since 2023. 100% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Poverty is rare here, at 0.0% of residents.
At a glance
More educated
100% hold a bachelor's degree
US average: 36%
Owner-heavy
100% owner-occupied
US average: 65%
Section 01
Population & growth
Population, 2010 – 2024
202440
Age distribution, 2024
Under 50%(0)
5 to 90%(0)
10 to 140%(0)
15 to 190%(0)
20 to 240%(0)
25 to 340%(0)
35 to 440%(0)
45 to 540%(0)
55 to 64100%(40)
65 to 740%(0)
75 to 840%(0)
85 and over0%(0)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
Households earning $100K+
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 53.3%
Workforce by industry, 2024
Agriculture, forestry, fishing0%
Construction0%
Manufacturing0%
Wholesale trade0%
Retail trade0%
Transportation & warehousing0%
Information0%
Finance & insurance0%
Professional, scientific, technical0%
Education & health services0%
Arts, entertainment, food0%
Other services0%
Public administration0%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03
Housing
RELATED:See current rent listings in St. Onge on RentDataNow
Section 04
Race & ethnicity
2023
White, non-Hispanic100%(46)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%(0)
2024
White, non-Hispanic100%(40)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%(0)
0
from 0 in 2023
2011 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry
Ancestry
English100%(40)
RANKED:Largest English population
Section 05
Education
High school or higher
100.0%
Unchangedsince 2023
from 100.0% in 2023
US average: 89.6%
Section 07
Work & employment
Section 08
People & community
Marital status
Men 15+
Never married100%(40)
Married0%(0)
Widowed0%(0)
Divorced0%(0)
Women 15+
Never married0%(0)
Married0%(0)
Widowed0%(0)
Divorced0%(0)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper
Places similar to St. Onge
Head to head
Compare St. Onge to nearby cities
ST. ONGE VS
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Income$65,688
Home value$346,200
Population14,154+35285%
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ST. ONGE VS
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ST. ONGE VS
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ST. ONGE VS
Gillette
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Home value$264,500
Population34,024+84960%
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Frequently asked
How many people live in St. Onge, South Dakota?
St. Onge, South Dakota has about 40 residents according to the 2024 American Community Survey.
How educated are people in St. Onge, South Dakota?
About 100.0% of adults age 25 and over in St. Onge, South Dakota hold a bachelor's degree or higher.
What is the poverty rate in St. Onge, South Dakota?
About 0.0% of people in St. Onge, South Dakota live below the federal poverty line.
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South DakotaDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024