ZIP Codes of Chautauqua County, KS

Population & People
Population & People
Total Population
3,254
Household Income
Household Income
Median Income
$54,146
Housing
Housing
Total Housing Units
1,967
Business & Economy
Business & Economy
Total Businesses
62
Employment
Employment
Employment Rate
53.46%
Education
Education
Bachelor's Degree+
23.25%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 5 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:5 ZIP Codes (4 Standard, 1 PO Box, 0 Unique) [See All]
Area Code:620
Timezone:Central (GMT -06:00)
Local Time:2:12:10 PM
Population:3,254 [See All]
FIPS:20019
Land Area:539 sq mi
Water Area:4 sq mi
Coordinates:37.0791, -96.1930
Quick Link:
https://www.zip-codes.com/county/ks-chautauqua.asp
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Kansas's #78 most populous county
3,254 residents across 5 ZIPs — #78 of 106 Kansas counties.

Standout ZIPs in this County


Most Populous
Sedan · 1,780 people
54.7% of county total
Highest Income
Niotaze · $75,577 median
1.4× county average
Largest Land Area
Sedan · 259.3 sq mi
Spans the most ground
Fastest Growth
Sedan · -10.9% (10-yr)
1,997 → 1,780 residents
Most Educated
Sedan · 16.0% bachelor's+
201 of 1,257 adults 25+

Things worth knowing about Chautauqua County


3,254 residents live across 5 ZIPs covering 539 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 3,393 to 3,254 from 2014 to 2024 — a -4.1% change. 3 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 67355 (Niotaze, $75,577 median) and poorest ZIP 67024 (Cedar Vale, $34,231) are 26.5 miles apart — a 2.2× income gap across local geography.

Median home values vary 3.4× across this county — from $46,900 in 67360 (Peru) to $158,300 in 67355 (Niotaze).

Density varies 72× across the county — from 4 people/sq mi in 67024 (Cedar Vale) to 323 in 67334 (Chautauqua).

Educational attainment ranges from 8.8% bachelor's+ in 67334 (Chautauqua) to 41.9% in 67024 (Cedar Vale) — the breadth of educational profiles across the area.

Within Kansas, this is the #78 most populous of 106 counties and ranks #105 for median household income .

Weighted by population, the typical household earns about $49,279 across the county — reflecting what a typical resident sees, not a simple ZIP average.

23.2% of adults age 25+ hold a bachelor's degree or higher (553 of 2,379 reporting).

4 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Chautauqua County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
539
square miles
Avg density
6.0
people per sq mi
Population
3,254
across 5 ZIPs
Sedan
259.3 sq mi
1,780 residents
Cedar Vale
209.6 sq mi
937 residents
Peru
46.4 sq mi
259 residents

All ZIP Codes in Chautauqua County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
67361SedanStandard1,780$53,917259.3-10.9%
67024Cedar ValeStandard937$34,231209.632.7%
67360PeruStandard259$52,85746.4-42.4%
67355NiotazeStandard187$75,57723.82.2%
67334ChautauquaPO Box910.359.6%

Adjacent & Nearby Counties