ZIP Codes of Butler County, KS

Population & People
Population & People
Total Population
68,306
Household Income
Household Income
Median Income
$82,668
Housing
Housing
Total Housing Units
27,459
Business & Economy
Business & Economy
Total Businesses
1,380
Employment
Employment
Employment Rate
60.43%
Education
Education
Bachelor's Degree+
32.45%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 15 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:15 ZIP Codes (13 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:316 / 620
Timezone:Central (GMT -06:00)
Local Time:11:53:28 PM
Population:68,306 [See All]
FIPS:20015
CBSA:Wichita, KS
Land Area:1,328 sq mi
Water Area:16 sq mi
Coordinates:37.7747, -96.8897
Quick Link:
https://www.zip-codes.com/county/ks-butler.asp
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Kansas's largest county by area
Spans 1,328 sq mi — the largest of 106 counties.
Among Kansas's 10 most populous counties
#8 of 106 counties with 68,306 residents.
Striking education divide
Bachelor's share spans 17.0% to 49.6% — a 33-point gap.

Standout ZIPs in this County


Most Populous
Andover · 17,221 people
25.2% of county total
Highest Income
Rosalia · $111,094 median
1.3× county average
Largest Land Area
El Dorado · 300.4 sq mi
Spans the most ground
Fastest Growth
Andover · 21.6% (10-yr)
14,162 → 17,221 residents
Most Educated
Andover · 49.6% bachelor's+
5,330 of 10,748 adults 25+

Things worth knowing about Butler County


68,306 residents live across 15 ZIPs covering 1,328 sq mi, served by 15 distinct USPS-recognized cities.

Population moved from 65,787 to 68,306 from 2014 to 2024 — a +3.8% change. 10 ZIPs gained residents, 5 lost.

The county's wealthiest ZIP 67132 (Rosalia, $111,094 median) and poorest ZIP 67123 (Potwin, $52,063) are 23.1 miles apart — a 2.1× income gap across local geography.

Median home values vary 2.4× across this county — from $119,300 in 67123 (Potwin) to $290,700 in 67002 (Andover).

Density varies 112× across the county — from 4 people/sq mi in 66842 (Cassoday) to 476 in 67002 (Andover).

Educational attainment ranges from 17.0% bachelor's+ in 67123 (Potwin) to 49.6% in 67002 (Andover) — the breadth of educational profiles across the area.

Within Kansas, this is the #8 most populous of 106 counties and ranks #9 for median household income .

Weighted by population, the typical household earns about $83,517 across the county — reflecting what a typical resident sees, not a simple ZIP average.

32.4% of adults age 25+ hold a bachelor's degree or higher (14,752 of 45,467 reporting).

13 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Butler 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
1,328
square miles
Avg density
51.4
people per sq mi
Population
68,306
across 15 ZIPs
El Dorado
300.4 sq mi
16,978 residents
Leon
163.3 sq mi
1,583 residents
Latham
123.9 sq mi
290 residents

All ZIP Codes in Butler County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
67002AndoverStandard17,221$104,35136.221.6%
67042El DoradoStandard16,978$62,857300.4-5.0%
67010AugustaStandard13,947$73,033109.35.3%
67133Rose HillStandard6,931$110,25641.97.2%
67039DouglassStandard2,996$91,964112.3-18.4%
67144TowandaStandard2,712$73,58946.9-11.5%
67017BentonStandard2,264$88,75067.81.0%
67074LeonStandard1,583$72,045163.3-15.4%
67154WhitewaterStandard1,290$67,81374.411.4%
67123PotwinStandard867$52,06356.1-5.1%
66842CassodayStandard508$73,125119.1111.7%
67132RosaliaStandard385$111,09448.11.3%
67041ElbingPO Box296$93,7500.38.4%
67072LathamStandard290123.944.3%
67012BeaumontPO Box3828.690.0%

Adjacent & Nearby Counties