City

Seneca, SD

1 ZIP code  ·  Faulk County  ·  South Dakota

👥275Population
💰$23,924Median HH Income▼ 69% below avg
🎂48.5Median Age
🏠$158,300Median Home Value▼ 43% below avg
🎓39.3%College Grads≈ Avg
People & Population (ACS 2023 — weighted avg)
♂ Male 36.0% Female 64.0% ♀

Race & Ethnicity

White: 100%Race
White100.0%

Age Breakdown

5–17
39%
25–44
3%
45–64
33%
65+
2%

Key Indicators

Median Age48.5 yrs
Avg HH Size2.62
Below Poverty53.5% ▲ 435% above avg
College Grads39.3% ≈ Avg
No HS Diploma4 (2.4%)
HS Graduate77 (45.8%)
Associates21 (12.5%)
Bachelors46 (27.4%)
Graduate Degree20 (11.9%)

Education

No HS: 2.4%HS Grad: 45.8%Associates: 12.5%Bachelors: 27.4%Graduate: 11.9%Edu
No HS2.4%
HS Grad45.8%
Associates12.5%
Bachelors27.4%
Graduate11.9%
Housing & Income

Housing Tenure

Owner: 97.1%Renter: 2.9%Tenure
Owner97.1%
Renter2.9%

Home Value Distribution

Under $50k
25%
$50k–$100k
9%
$100k–$150k
12%
$150k–$200k
44%
$200k–$300k
10%

Financials

Median HH Income$23,924 ▼ 69% below avg
Median Home Value$158,300 ▼ 43% below avg
Home/Income Ratio6.6x (nat avg ~3.5x)
Total Housing Units131
Vacant Units26

Income Distribution

Under $25k
67%
$25k–$50k
17%
$50k–$75k
5%
$100k–$150k
11%
Employment & Commute

How People Get to Work

Drove Alone
41%
Walked
2%
Work From Home
57%

Commute Time

Under 15 min
29%
15–30 min
71%
Housing Stock

Year Built

1940s–1950s
6%
1960s–1970s
6%
1980s–1990s
25%
2000+
64%
About Seneca, SD

Seneca is a city in South Dakota, located in Faulk County. The city spans 1 ZIP code and is home to approximately 275 residents. It is a mature city, with a median age of 48.5 years.

Economically, Seneca is a lower-income community. The median household income of $23,924 is well below the national average. Approximately 53.5% of residents live below the poverty line.

The real estate market in Seneca is an affordable housing market. Median home values stand at $158,300, which is below the national average. Homeownership is high at 97.1%, typical of suburban and family-oriented communities.

The population of Seneca is moderately educated. 39.3% of adults hold a bachelor's degree or higher — near the national average. The community is primarily White (100%).

Seneca, SD offers residents a cost-conscious lifestyle within South Dakota.

ZIP Codes in Seneca
ZIPPopulationMedian IncomeMedian HomeMedian RentUnemp.CollegeOwner Occ.
57473 275 $23,924 $158,300 0.0% 39.3% 97.1%