ZIP Codes of Butler County, MO

Population & People
Population & People
Total Population
40,980
Household Income
Household Income
Median Income
$45,823
Housing
Housing
Total Housing Units
18,404
Business & Economy
Business & Economy
Total Businesses
1,013
Employment
Employment
Employment Rate
52.38%
Education
Education
Bachelor's Degree+
15.71%
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 (6 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:235 / 573
Timezone:Central (GMT -06:00)
Local Time:2:12:41 PM
Population:40,980 [See All]
FIPS:29023
CBSA:Poplar Bluff, MO
Land Area:623 sq mi
Water Area:3 sq mi
Coordinates:36.7048, -90.3678
Quick Link:
https://www.zip-codes.com/county/mo-butler.asp
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Missouri's #30 most populous county
40,980 residents across 8 ZIPs — #30 of 116 Missouri counties.

Standout ZIPs in this County


Most Populous
Poplar Bluff · 35,324 people
86.2% of county total
Highest Income
Fisk · $53,378 median
1.2× county average
Largest Land Area
Poplar Bluff · 286.1 sq mi
Spans the most ground
Fastest Growth
Poplar Bluff · 3.5% (10-yr)
34,127 → 35,324 residents
Most Educated
Poplar Bluff · 17.0% bachelor's+
4,066 of 23,850 adults 25+

Things worth knowing about Butler County


40,980 residents live across 8 ZIPs covering 623 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 41,203 to 40,980 from 2014 to 2024 — a -0.5% change. 2 ZIPs gained residents, 4 lost (and 1 held flat).

The county's wealthiest ZIP 63940 (Fisk, $53,378 median) and poorest ZIP 63961 (Qulin, $39,167) are 13.5 miles apart — a 1.4× income gap across local geography.

Median home values vary 2.4× across this county — from $62,100 in 63932 (Broseley) to $151,600 in 63901 (Poplar Bluff).

Density varies 14× across the county — from 9 people/sq mi in 63954 (Neelyville) to 123 in 63901 (Poplar Bluff).

Educational attainment ranges from 0.6% bachelor's+ in 63945 (Harviell) to 17.0% in 63901 (Poplar Bluff) — the breadth of educational profiles across the area.

Within Missouri, this is the #30 most populous of 116 counties and ranks #108 for median household income .

Weighted by population, the typical household earns about $50,254 across the county — reflecting what a typical resident sees, not a simple ZIP average.

15.7% of adults age 25+ hold a bachelor's degree or higher (4,380 of 27,887 reporting).

6 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
623
square miles
Avg density
65.8
people per sq mi
Population
40,980
across 8 ZIPs
Poplar Bluff
286.1 sq mi
35,324 residents
Neelyville
110.7 sq mi
954 residents
Qulin
88.8 sq mi
1,600 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Poplar Bluff

All ZIP Codes in Butler County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
63901Poplar BluffStandard35,324$51,152286.13.5%
63961QulinStandard1,600$39,16788.8-14.7%
63940FiskStandard1,326$53,37858.41.8%
63954NeelyvilleStandard954$39,853110.7-11.4%
63945HarviellStandard928$44,17426.3-25.2%
63932BroseleyStandard848$47,21252.5-46.4%
63962RombauerPO Box00.0
63902Poplar BluffPO Box0.0

Adjacent & Nearby Counties