ZIP codes
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Seneca, KS Demographics & ZIP Codes
Seneca, Kansas demographics and median household income by ZIP code (in Nemaha County) — 1 ZIP codes — population 3,577 — median income $77,076 — avg. home value $252,900. Compare income, housing, and population across ZIP codes on US5.
Population
3,577
Median household income (avg.)
$77,076
103% of U.S. median
Average home value
$252,900
73% of U.S. median
Average rent
$442
38% of U.S. median
Median age (avg.)
41.0
Seneca demographics
Seneca, Kansas covers 1 ZIP code primarily in Nemaha County, with a combined ZIP-area population of about 3,577.
Across ZIP codes with age data, the average median age is about 41.0 years.
Median household income in Seneca
The average median household income across ZIP codes in Seneca, Kansas is about $77,076 — about 9% above the KS ZIP average ($70,475), and about 3% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $77,076 in 66538.
Housing in Seneca
For housing in Seneca, Kansas, the average median home value is about $252,900 and the average median rent is about $442.
The most populous ZIP in this set is 66538 (about 3,577 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 |
|---|---|---|---|---|---|---|
| 66538 | Seneca | Nemaha County | KS | 3,577 | $77,076 | $252,900 |
Frequently asked questions
What are the demographics of Seneca?
Seneca, Kansas has a combined ZIP-area population of about 3,577 across 1 ZIP codes (primarily Nemaha 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, Kansas is about $77,076, about 9% above the state ZIP average ($70,475), and about 3% above the U.S. median ($75,149). Average median home value is about $252,900.
How many ZIP codes are in Seneca?
Seneca, Kansas 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, Kansas with population, median household income, and home value. Select a ZIP for a full demographics profile.