ZIP code 66538: Seneca, KS
66538 is a ZIP code in Seneca, Kansas, mainly in Nemaha County. About 3,602 people live here.
- Population
- 3,602
- Median household income
- $78,981
- Typical home value
- $265,900+7% in 12 months
- Median rent
- $808gross, per month
- Median age
- 41.3
- Homeowners
- 81%of occupied homes
Shaded: ZIP code 66538's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 66538 details
| City | Seneca |
|---|---|
| State | Kansas |
| County | Nemaha County |
| Metro area | Not in a metro or micro area |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 136.8 sq mi, plus 0 sq mi of water |
| Population density | 26 people per sq mi |
| Bachelor's degree or higher | 32.9% of adults 25+ |
| Average commute | 11.3 minutes |
| Center coordinates | 39.85056, -96.04469 |
Median rent in 66538 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $434/mo |
| 2 bedrooms | $750/mo |
| 3 bedrooms | $633/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 66538
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 66522 | Oneida, KS | 5.8 mi | 130 |
| 66404 | Baileyville, KS | 6.9 mi | 481 |
| 66408 | Bern, KS | 7.8 mi | 427 |
| 66534 | Sabetha, KS | 11.2 mi | 3,381 |
| 66415 | Centralia, KS | 12.2 mi | 762 |
| 66403 | Axtell, KS | 12.3 mi | 801 |
| 68345 | Du Bois, NE | 12.9 mi | 245 |
| 66417 | Corning, KS | 13.4 mi | 507 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 66538?
A typical home in ZIP code 66538 is worth about $265,900 (Zillow Home Value Index). The median household here earns $78,981 a year. See what buying here would cost per month, with Kansas average taxes and insurance filled in.
Monthly payment for a $265,900 homeWhat can a $78,981 income afford?Rental property numbers
About ZIP code 66538
What city is ZIP code 66538?
ZIP code 66538 is in Seneca, KS, in Nemaha County.
What county is ZIP code 66538 in?
66538 is mainly in Nemaha County, Kansas.
What is the population of ZIP code 66538?
About 3,602 people live in ZIP code 66538, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 66538 in?
66538 is in Central Time (UTC−6). It observes daylight saving time.