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ZIP Code 66538
Seneca, KS, Nemaha County
Population
3,602
Land area
136.8sq mi
People per sq mi
26
City
Seneca
ZIP 66538 and nearby ZIP codes
ZIP 66538 at a glance
- ZIP 66538 (Seneca) is 27% less dense than Kansas as a whole.
- The median household income is $78,981, 6% above the Kansas median of $74,275.
- A typical owner-occupied home is valued at $299,300 (38% above Kansas) and median rent is $808 a month.
Local data for ZIP 66538
Counts from official public data
Housing and community stats
ZIP 66538, American Community Survey 2020-2024
Median household income
$78,981
Poverty rate
8.2%
Median home value
$299,300
Median rent
$808/mo
Homeownership
81.0%
Bachelor's or higher
32.9%
Median age
41.3
Average commute
11.3 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
176
ZIP Business Patterns 2023
Employees
2,352
$115M annual payroll
PPP loans
$27.2M
536 loans
Campaign donations
$23.5K
11% D, 48% R, 2026 cycle
Environment and hazard risk
ZIP 66538, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: wildfire
Storm events since 1996
581
Countywide, mostly hail
Flood insurance policies
2
0.0% of homes, county
July high / Jan low
87° / 15°F
30.5 inches of rain a year
Health statistics
Share of adults in ZIP 66538, CDC PLACES estimates
Obesity
38.4%
U.S. 33.3% +5.1 pts
Diabetes
11.8%
U.S. 12.1% about the same
Smoking
14.3%
U.S. 12.8% +1.5 pts
Uninsured (18-64)
8.0%
U.S. 11.1% -3.1 pts
Frequently asked questions
- What city is ZIP code 66538?
- ZIP code 66538 is in Seneca, KS (Nemaha County).
- What county is ZIP code 66538 in?
- ZIP code 66538 is mostly in Nemaha County, Kansas.
- How many people live in ZIP code 66538?
- About 3,602 people live in the 66538 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.