Seneca, SD

South Dakota

Seneca is a small town in South Dakota with a population of 26. Residents earn $40,750 per year, which is 46% below the national average.

4.4 /5.0
A Great
26 Population 62/sq mi density
$40,750 Median Income $23,423 per capita
$28,500 Home Value
N/A Median Rent
44°F Avg Temperature
A
Overall
4.4 / 5.0
Great overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$40,750 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$28,500 home value
A
Education
4.4 / 5.0
0.0% bachelor's degree or higher
Median Income $40,750
46% lower than US avg
Home Value $28,500
90% lower than US avg
Bachelor's+ 0.0%
100% lower than US avg
Unemployment 0.0%
100% lower than US avg
Poverty Rate 0.0%
100% lower than US avg

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

People

Population26
Median Age62.8 yrs
Density62/mi²
Male / Female69% / 31%
Largest GroupWhite 100%
Veterans42.0%

Economy

B+
Median Income$40,750
Per Capita$23,423
Unemployment0.0%
Poverty0.0%
County GDP$169M

Housing

A+
Home Value$28,500
RentN/A
OwnershipN/A

Crime

ViolentN/A
PropertyN/A

Health

ObesityN/A
UninsuredN/A

Climate

Avg Temp44°F
AQI35 (Good)
Rain20.2 in/yr
Elevation1,904 ft

Education

A
Bachelor's+0.0%
High School+84.6%
School Score5.45

Community

2024 VoteR 81% / D 16%
CommuteN/A
Broadband18.0%
Libraries1

Is Seneca a Good Place to Live?

Based on current data, Seneca receives an overall livability score of 4.4 out of 5.0, earning a grade of A. Key strengths include low unemployment, affordable housing, a low poverty rate, high health insurance coverage. Areas to be aware of include below-average incomes. Seneca stands out as an excellent place to live, with strong marks across most quality-of-life indicators.

Economy & Jobs

The median household income in Seneca is $40,750, 46% below the national average of $75,149. The job market is very strong with unemployment at just 0.0%. Only 0.0% of residents live below the poverty line, well below the national rate of 12.4%.

Cost of Living & Housing

The median home value in Seneca is $28,500, 90% below the national median — offering relatively affordable homeownership. At just 0.7x median income, home prices are very affordable relative to local earnings.

Education

0.0% of residents hold a bachelor's degree, below the national average of 33.7%. 84.6% have completed high school. Area schools have an average test score of 5.4/10.

Climate & Weather

Seneca has a cool climate with an average annual temperature of 44°F. Winters average 15°F in January while summers reach 72°F in July. Annual precipitation totals 20.2 inches, including 38.7 inches of snow. Air quality is rated Good with a median AQI of 35.

Seneca has a population of 26 with a density of 62 people per square mile. The median age is 62.8 years, 61% older than the national median of 38.9. The city is predominantly White (100%).

Population

26
Total Population
62
People / sq mi
62.8yrs
Median Age
61% above US avg
0.4mi²
Land Area

Gender Distribution

Male 69.2%
Female 30.8%

Race & Ethnicity

Seneca vs U.S. Average

Language Spoken at Home

English Only59.5%
24% below US avg
Spanish40.5%
202% above US avg

Social Characteristics

Seneca vs U.S. Average

The median household income in Seneca is $40,750, which is 46% below the national average of $75,149. The unemployment rate is 0.0% (below the 3.6% US average). 0.0% of residents live below the poverty line.

Income: Seneca vs U.S.

Commute Mode

Income

Median HH Income$40,750
46% below US avg
Per Capita Income$23,423
Avg Weekly Wage$818
IRS Avg AGI$76,770

Employment & Poverty

Unemployment0.0%
100% below US avg
Poverty Rate0.0%
100% below US avg
Establishments (County)126
County GDP$169M

Business (County)

Restaurants9
Healthcare6
Retail11

Tax & Cost of Living

Commute & Transportation

Work from Home0.0%

Walkability

The median home value in Seneca is $28,500, 90% below the national average.

Home Value Sources

Ownership Split

Home Values

Census Median$28,500
90% below US avg

Real Estate Market (Redfin)

Rental Costs

HUD Fair Market Rent

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

Ownership & Property

Owner-Occupied100.0%

Property Tax

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

Chronic Conditions

Behaviors & Mental Health

Healthcare Access

Insurance Rate100.0%
Premature Death5,579/100K

Food & Exercise

Food Environment6.2/10
Exercise Access44.8%
Healthcare Facilities6

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

Violent Crime

Property Crime

Traffic Safety

Safety Score

Seneca has an average annual temperature of 44°F (7°C). Winters average 15°F in January while summers reach 72°F in July. Annual precipitation is 20.2 inches. Air quality is rated Good with a median AQI of 35.

Temperature

15°F Jan (-9°C) 72°F Jul (22°C)
Annual Average44.3°F
18% below US avg
January Average15°F (-9°C)
July Average72°F (22°C)

Precipitation & Snow

Annual Rainfall20.2 inches
47% below US avg
Snowfall38.7 inches/yr

Air Quality

AQI Median35.0
RatingGood

Geography

Elevation1,904 ft (580 m)
Area0.4 sq mi (1.1 km²)
Population Density62/sq mi
Coordinates45.0608°N, 99.5092°W
County FIPS46049
It is classified as Nonmetro — Rural. 0.0% of residents hold a bachelor's degree or higher (100% below US avg). In the 2024 election, the county voted Republican by a 65.2-point margin. 18.0% of households have broadband internet.

2024 Presidential Election (County)

R 81.4%
D 16.2%

Winner: Republican by 65.2 points

Education

Bachelor's Degree+0.0%
100% below US avg
High School+84.6%
School Test Score5.45
A Education Grade (4.4/5.0)

Urban-Rural Classification

RUCC Code 9Nonmetro — Rural
Population Density62/sq mi
Total Area0.4 sq mi

Infrastructure & Services

Broadband Access18.0%
Public Libraries1
Healthcare Facilities6
Restaurants9
Retail Stores11

Safety & Disasters

Commute & Transportation

Work from Home0.0%

Nearby Cities

Compare Seneca with another city: