ZIP Codes of Benton County, MO

Population & People
Population & People
Total Population
19,712
Household Income
Household Income
Median Income
$57,253
Housing
Housing
Total Housing Units
13,857
Business & Economy
Business & Economy
Total Businesses
382
Employment
Employment
Employment Rate
40.67%
Education
Education
Bachelor's Degree+
15.07%
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 (5 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:235 / 573 / 660
Timezone:Central (GMT -06:00)
Local Time:2:12:40 PM
Population:19,712 [See All]
FIPS:29015
Land Area:697 sq mi
Water Area:54 sq mi
Coordinates:38.3320, -93.2542
Quick Link:
https://www.zip-codes.com/county/mo-benton.asp
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Among Missouri's 5 oldest counties
Median age 53.0.

Standout ZIPs in this County


Most Populous
Warsaw · 11,436 people
58.0% of county total
Highest Income
Ionia · $78,750 median
1.4× county average
Largest Land Area
Warsaw · 258.1 sq mi
Spans the most ground
Fastest Growth
Lincoln · 14.1% (10-yr)
2,742 → 3,129 residents
Most Educated
Cole Camp · 21.0% bachelor's+
456 of 2,173 adults 25+

Things worth knowing about Benton County


19,712 residents live across 5 ZIPs covering 697 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 18,659 to 19,712 from 2014 to 2024 — a +5.6% change. 4 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 65335 (Ionia, $78,750 median) and poorest ZIP 65355 (Warsaw, $50,648) are 21.2 miles apart — a 1.6× income gap across local geography.

Median home values vary 1.5× across this county — from $152,000 in 65338 (Lincoln) to $230,000 in 65325 (Cole Camp).

Density varies across the county — from 10 people/sq mi in 65335 (Ionia) to 44 in 65355 (Warsaw).

Educational attainment ranges from 13.1% bachelor's+ in 65326 (Edwards) to 21.0% in 65325 (Cole Camp) — the breadth of educational profiles across the area.

Within Missouri, this is the #56 most populous of 116 counties and ranks #79 for median household income with the #20 fastest decade growth .

Weighted by population, the typical household earns about $51,592 across the county — reflecting what a typical resident sees, not a simple ZIP average.

15.1% of adults age 25+ hold a bachelor's degree or higher (2,267 of 15,046 reporting).

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

Stories about Benton 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
697
square miles
Avg density
28.3
people per sq mi
Population
19,712
across 5 ZIPs
Warsaw
258.1 sq mi
11,436 residents
Edwards
149.1 sq mi
1,901 residents
Cole Camp
142.3 sq mi
3,071 residents

All ZIP Codes in Benton County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
65355WarsawStandard11,436$50,648258.111.0%
65338LincolnStandard3,129$51,038129.514.1%
65325Cole CampStandard3,071$53,942142.3-15.1%
65326EdwardsStandard1,901$51,888149.12.6%
65335IoniaStandard175$78,75018.417.4%

Adjacent & Nearby Counties