Sinai, SD

South Dakota

Sinai is a small town in South Dakota with a population of 220. Residents earn $52,188 per year, which is 31% below the national average.

3.7 /5.0
B+ Good
220 Population 595/sq mi density
$52,188 Median Income $24,065 per capita
$91,500 Home Value
N/A Median Rent 24.8% income on rent
45°F Avg Temperature
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$52,188 median income, 6.3% unemployment
A+
Affordability
5.0 / 5.0
$91,500 home value
C+
Education
2.7 / 5.0
21.3% bachelor's degree or higher
Median Income $52,188
31% lower than US avg
Home Value $91,500
68% lower than US avg
Bachelor's+ 21.3%
37% lower than US avg
Obesity Rate 37.6%
17% higher than US avg
Unemployment 6.3%
75% higher than US avg
Poverty Rate 1.4%
89% lower than US avg

How Sinai Compares to the U.S. Average (100% = U.S. avg)

People

Population220
Median Age24.9 yrs
Density595/mi²
Male / Female50% / 50%
Largest GroupWhite 92%
Veterans2.4%

Economy

B
Median Income$52,188
Per Capita$24,065
Unemployment6.3%
Poverty1.4%
County GDP$934M
Commute29 min

Housing

A+
Home Value$91,500
RentN/A
OwnershipN/A
Rent Burden24.8%

Crime

ViolentN/A
PropertyN/A

Health

Obesity37.6%
UninsuredN/A
Depression23.3%
Heart Disease4.5%

Climate

Avg Temp45°F
AQI35 (Good)
Rain26.2 in/yr
Elevation1,777 ft

Education

C+
Bachelor's+21.3%
High School+82.4%
School Score5.45

Community

2024 VoteR 65% / D 33%
Commute29 min
Broadband76.0%
Libraries1

Is Sinai a Good Place to Live?

Based on current data, Sinai receives an overall livability score of 3.7 out of 5.0, earning a grade of B+. Key strengths include affordable housing, a low poverty rate. Areas to be aware of include above-average unemployment, below-average incomes. Sinai offers a solid quality of life with a good balance of affordability, safety, and opportunity.

Economy & Jobs

The median household income in Sinai is $52,188, 31% below the national average of $75,149. The unemployment rate of 6.3% is somewhat elevated compared to the national rate of 3.6%. Only 1.4% of residents live below the poverty line, well below the national rate of 12.4%. Workers commute an average of 29 minutes.

Cost of Living & Housing

The median home value in Sinai is $91,500, 68% below the national median — offering relatively affordable homeownership. At just 1.8x median income, home prices are very affordable relative to local earnings.

Education

21.3% of residents hold a bachelor's degree, below the national average of 33.7%. 82.4% have completed high school. Area schools have an average test score of 5.4/10.

Climate & Weather

Sinai has a cool climate with an average annual temperature of 45°F. Winters average 15°F in January while summers reach 72°F in July. Annual precipitation totals 26.2 inches. Air quality is rated Good with a median AQI of 35.

Sinai has a population of 220 with a density of 595 people per square mile. The median age is 24.9 years, 36% younger than the national median of 38.9. The city is predominantly White (91.8%).

Population

220
Total Population
595
People / sq mi
24.9yrs
Median Age
36% below US avg
0.4mi²
Land Area

Gender Distribution

Male 50%
Female 50%

Race & Ethnicity

Sinai vs U.S. Average

Language Spoken at Home

English Only90.9%
16% above US avg
Spanish9.1%
32% below US avg

Social Characteristics

Sinai vs U.S. Average

The median household income in Sinai is $52,188, which is 31% below the national average of $75,149. The unemployment rate is 6.3% (above the 3.6% US average). 1.4% of residents live below the poverty line. Workers commute an average of 29 minutes.

Income: Sinai vs U.S.

Commute Mode

Income

Median HH Income$52,188
31% below US avg
Per Capita Income$24,065
Avg Weekly Wage$1,092
IRS Avg AGI$85,103

Employment & Poverty

Unemployment6.3%
75% above US avg
Poverty Rate1.4%
89% below US avg
Establishments (County)492
County GDP$934M

Business (County)

Restaurants36
Healthcare30
Retail42
Manufacturing27

Tax & Cost of Living

Property Tax (IRS)$6,037
72% above US avg
Effective Tax Rate6.60%

Commute & Transportation

Commute Time29.3 min
Drive Alone87.4%
Public Transit0.0%
Work from Home0.0%

Walkability

The median home value in Sinai is $91,500, 68% below the national average.

Home Value Sources

Ownership Split

Home Values

Census Median$91,500
68% below US avg

Real Estate Market (Redfin)

Rental Costs

Rent Burden24.8%

HUD Fair Market Rent

Studio$691
1 Bedroom$784
2 Bedrooms$990
3 Bedrooms$1,295
4 Bedrooms$1,540

Ownership & Property

Owner-Occupied67.1%

Property Tax

Avg Tax (IRS)$6,037
72% above US avg
Effective Rate6.60%
In Sinai, 37.6% of adults are obese (above the 32.1% national rate). 23.3% report depression. 17.7% are physically inactive.

Health Metrics: Sinai vs U.S. Average (%)

Chronic Conditions

Obesity37.6%
17% above US avg
Diabetes8.2%
Heart Disease4.5%
High Blood Pressure26.2%
Asthma9.9%
COPD4.7%
Stroke2.4%

Behaviors & Mental Health

Binge Drinking22.1%
Physical Inactivity17.7%
Depression23.3%
Mental Distress15.0%
Physical Distress10.1%

Healthcare Access

Insurance Rate91.4%
Checkup Rate75.0%
Premature Death6,000/100K

Food & Exercise

Food Environment9.0/10
Exercise Access71.2%
Healthcare Facilities30

Crime Rates: Sinai vs U.S. Average (per 100,000)

Violent Crime

Property Crime

Traffic Safety

Safety Score

Sinai has an average annual temperature of 45°F (7°C). Winters average 15°F in January while summers reach 72°F in July. Annual precipitation is 26.2 inches. Air quality is rated Good with a median AQI of 35.

Temperature

15°F Jan (-10°C) 72°F Jul (22°C)
Annual Average44.7°F
17% below US avg
January Average15°F (-10°C)
July Average72°F (22°C)

Precipitation & Snow

Annual Rainfall26.2 inches
31% below US avg

Air Quality

AQI Median35.0
RatingGood

Geography

Elevation1,777 ft (542 m)
Area0.4 sq mi (1.0 km²)
Population Density595/sq mi
Coordinates44.2445°N, 97.0440°W
County FIPS46079
It is classified as Nonmetro — Urban 2.5K–20K, adjacent. 21.3% of residents hold a bachelor's degree or higher (37% below US avg). In the 2024 election, the county voted Republican by a 31.2-point margin. 76.0% of households have broadband internet.

2024 Presidential Election (County)

R 64.7%
D 33.5%

Winner: Republican by 31.2 points

Education

Bachelor's Degree+21.3%
37% below US avg
High School+82.4%
School Test Score5.45
C+ Education Grade (2.7/5.0)

Urban-Rural Classification

RUCC Code 6Nonmetro — Urban 2.5K–20K, adjacent
Population Density595/sq mi
Total Area0.4 sq mi

Infrastructure & Services

Broadband Access76.0%
Public Libraries1
Healthcare Facilities30
Restaurants36
Retail Stores42

Safety & Disasters

Commute & Transportation

Avg Commute29.3 min
Drive Alone87.4%
Public Transit0.0%
Work from Home0.0%

Nearby Cities

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