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Seneca, SD Demographics & ZIP Codes
Seneca, South Dakota demographics and median household income by ZIP code (in Faulk County) — 1 ZIP codes — population 275 — median income $23,924 — avg. home value $158,300. Compare income, housing, and population across ZIP codes on US5.
Population
275
Median household income (avg.)
$23,924
32% of U.S. median
Average home value
$158,300
45% of U.S. median
Median age (avg.)
48.5
Seneca demographics
Seneca, South Dakota covers 1 ZIP code primarily in Faulk County, with a combined ZIP-area population of about 275.
Across ZIP codes with age data, the average median age is about 48.5 years.
Median household income in Seneca
The average median household income across ZIP codes in Seneca, South Dakota is about $23,924 — about 67% below the SD ZIP average ($72,498), and about 68% below the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $23,924 in 57473.
Housing in Seneca
For housing in Seneca, South Dakota, the average median home value is about $158,300.
The most populous ZIP in this set is 57473 (about 275 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Seneca
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 57473 | Seneca | Faulk County | SD | 275 | $23,924 | $158,300 |
Frequently asked questions
What are the demographics of Seneca?
Seneca, South Dakota has a combined ZIP-area population of about 275 across 1 ZIP codes (primarily Faulk County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Seneca?
The average median household income across ZIP codes in Seneca, South Dakota is about $23,924, about 67% below the state ZIP average ($72,498), and about 68% below the U.S. median ($75,149). Average median home value is about $158,300.
How many ZIP codes are in Seneca?
Seneca, South Dakota includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Seneca?
This page lists ZIP codes in Seneca, South Dakota with population, median household income, and home value. Select a ZIP for a full demographics profile.