United States › South Dakota › Sinai CITY · 2020 ACS
Sinai South Dakota · 99 residents · 0.37 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
With 99 people, Sinai is a city in South Dakota. At a median age of 47.3, this is an older place than the country as a whole. 82% of homes are owner-occupied. Home values have more than doubled since 2000, reaching $64,400. Households here earn about 38% less than in South Dakota as a whole. The foreign-born share is 1%.
At a glance
Lower income
below the US median
US median: $66,278
Older
median age 47.3
US median: 38.8
Average education
35% hold a bachelor's degree
US average: 33%
Less affordable
home values up 33%, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 35.6 in 2000
US average: 38.8
Population, 1990 – 2024
75 114 154 194 233 1990 2000 2010 2020 2024 Sinai Age distribution, 2020
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Section 02
Income & economy $36,989
−35%inflation adjusted, since 2000
from $38,000 in 2000
US average: $66,278
from $17,451 in 2000
US average: $35,364
Households earning $100K+
from 17.7% in 2009
US average: 43.9%
from 5.7% in 2000
US average: 12.8%
Workforce by industry, 2020
Agriculture, forestry, fishing 16.3%
Professional, scientific, technical 1.3%
Transportation & warehousing 0%
Education & health services 0%
Arts, entertainment, food 0%
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$64,400
+33%inflation adjusted, since 2000
from $32,100 in 2000
US average: $265,253
from 79.6% in 2000
17.8% rent
2.48 people
−18%since 2010
from 3.03 people in 2010
US average: 2.61
from 2.2 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 100%(133)
2020
White, non-Hispanic 94.9%(94)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry from 9.6% in 2000
US average: 32.9%
High school or higher
from 84.0% in 2000
US average: 88.5%
from 2.1% in 2000
US average: 12.7%
Section 06
Commute & transportation from 12.8 min in 2000
US average: 26.9
100.0%
+17.9 ptssince 2009
from 82.1% in 2009
US average: 75.1%
from 0.0% in 2009
US average: 8.4%
Section 07
Work & employment from 2.3% in 2011
US average: 5.4%
from 65.9% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 17.9% in 2009
US average: 39.3%
Section 08
People & community from 0.0% in 2009
US average: 13.5%
from 22.1% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 22.1% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2020
Gulf War (2001 or later) 0%(0)
Share of the 6 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
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Frequently asked
How many people live in Sinai, South Dakota? Sinai, South Dakota has about 99 residents according to the 2020 American Community Survey.
What is the median household income in Sinai, South Dakota? The typical household in Sinai, South Dakota earns about $36,989 a year. Half of households make more than that, and half make less.
Is Sinai, South Dakota expensive? In Sinai, South Dakota, the median home is worth about $64,400.
How educated are people in Sinai, South Dakota? About 34.7% of adults age 25 and over in Sinai, South Dakota hold a bachelor's degree or higher.
What is the poverty rate in Sinai, South Dakota? About 4.2% of people in Sinai, South Dakota live below the federal poverty line.
Has Sinai, South Dakota grown since 1990? Yes, Sinai, South Dakota has shrunk since 1990. The population has lost about 18 residents, a change of about -15 percent over that period.
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