ZIP Codes of Johnson County, MO

Population & People
Population & People
Total Population
52,798
Household Income
Household Income
Median Income
$72,751
Housing
Housing
Total Housing Units
22,075
Business & Economy
Business & Economy
Total Businesses
944
Employment
Employment
Employment Rate
56.43%
Education
Education
Bachelor's Degree+
29.52%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 8 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:8 ZIP Codes (8 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:660 / 816 / 975
Timezone:Central (GMT -06:00)
Local Time:2:12:43 PM
Population:52,798 [See All]
FIPS:29101
CBSA:Warrensburg, MO
Land Area:766 sq mi
Water Area:3 sq mi
Coordinates:38.7193, -93.7881
Quick Link:
https://www.zip-codes.com/county/mo-johnson.asp
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Striking education divide
Bachelor's share spans 17.7% to 48.6% — a 31-point gap.

Standout ZIPs in this County


Most Populous
Warrensburg · 28,199 people
53.4% of county total
Highest Income
Centerview · $91,005 median
1.3× county average
Largest Land Area
Warrensburg · 186.6 sq mi
Spans the most ground
Fastest Growth
Knob Noster · 21.6% (10-yr)
5,362 → 6,519 residents
Most Educated
Whiteman Air Force Base · 48.6% bachelor's+
582 of 1,198 adults 25+

Things worth knowing about Johnson County


52,798 residents live across 8 ZIPs covering 766 sq mi, served by 8 distinct USPS-recognized cities.

Population moved from 52,241 to 52,798 from 2014 to 2024 — a +1.1% change. 4 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 64019 (Centerview, $91,005 median) and poorest ZIP 65305 (Whiteman Air Force Base, $54,267) are 17.4 miles apart — a 1.7× income gap across local geography.

Median home values vary 2.3× across this county — from $123,800 in 64761 (Leeton) to $283,000 in 64061 (Kingsville).

Density varies 44× across the county — from 15 people/sq mi in 64733 (Chilhowee) to 647 in 65305 (Whiteman Air Force Base).

Educational attainment ranges from 17.7% bachelor's+ in 64040 (Holden) to 48.6% in 65305 (Whiteman Air Force Base) — the breadth of educational profiles across the area.

Within Missouri, this is the #21 most populous of 116 counties and ranks #24 for median household income .

Weighted by population, the typical household earns about $66,235 across the county — reflecting what a typical resident sees, not a simple ZIP average.

29.5% of adults age 25+ hold a bachelor's degree or higher (9,133 of 30,939 reporting).

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

Stories about Johnson 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
766
square miles
Avg density
68.9
people per sq mi
Population
52,798
across 8 ZIPs
Warrensburg
186.6 sq mi
28,199 residents
Holden
164.6 sq mi
6,379 residents
Knob Noster
121.1 sq mi
6,519 residents

All ZIP Codes in Johnson County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
64093WarrensburgStandard28,199$61,094186.60.4%
65336Knob NosterStandard6,519$66,935121.121.6%
64040HoldenStandard6,379$71,886164.6-0.6%
65305Whiteman Air Force BaseStandard3,445$54,2675.3-12.7%
64061KingsvilleStandard3,161$85,98761.0-7.3%
64019CenterviewStandard2,385$91,00583.66.1%
64761LeetonStandard1,598$73,75068.83.6%
64733ChilhoweeStandard1,112$77,08375.2-10.8%

Adjacent & Nearby Counties