ZIP Codes of Polk County, AR

Population & People
Population & People
Total Population
6,096
Household Income
Household Income
Median Income
$54,718
Housing
Housing
Total Housing Units
2,744
Business & Economy
Business & Economy
Total Businesses
63
Employment
Employment
Employment Rate
53.02%
Education
Education
Bachelor's Degree+
12.79%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:7 ZIP Codes (6 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:327 / 479 / 870
Timezone:Central (GMT -06:00)
Local Time:2:11:25 PM
Population:6,096 [See All]
FIPS:05113
Land Area:1,013 sq mi
Water Area:4 sq mi
Coordinates:34.3930, -94.2781
Quick Link:
https://www.zip-codes.com/county/ar-polk.asp
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Arkansas's #73 most populous county
6,096 residents across 6 ZIPs — #73 of 78 Arkansas counties.

Standout ZIPs in this County


Most Populous
Mena · 13,415 people
68.8% of county total
Highest Income
Grannis · $75,893 median
1.4× county average
Largest Land Area
Mena · 665.3 sq mi
Spans the most ground
Fastest Growth
Cove · 13.5% (10-yr)
1,848 → 2,098 residents
Most Educated
Mena · 20.1% bachelor's+
1,989 of 9,873 adults 25+

Things worth knowing about Polk County


19,511 residents live across 7 ZIPs covering 1,013 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 20,535 to 19,511 from 2014 to 2024 — a -5.0% change. 3 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 71944 (Grannis, $75,893 median) and poorest ZIP 71973 (Wickes, $33,313) are 6.0 miles apart — a 2.3× income gap across local geography.

Median home values vary 2.4× across this county — from $67,600 in 71972 (Vandervoort) to $164,100 in 71953 (Mena).

Density varies across the county — from 7 people/sq mi in 71972 (Vandervoort) to 28 in 71945 (Hatfield).

Educational attainment ranges from 8.8% bachelor's+ in 71944 (Grannis) to 20.1% in 71953 (Mena) — the breadth of educational profiles across the area.

Within Arkansas, this is the #73 most populous of 78 counties and ranks #37 for median household income .

Weighted by population, the typical household earns about $52,321 across the county — reflecting what a typical resident sees, not a simple ZIP average.

18.1% of adults age 25+ hold a bachelor's degree or higher (2,474 of 13,665 reporting).

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

Stories about Polk 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
1,013
square miles
Avg density
19.3
people per sq mi
Population
19,511
across 7 ZIPs
Mena
665.3 sq mi
13,415 residents
Wickes
109.8 sq mi
994 residents
Cove
78.3 sq mi
2,098 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.

Mena

All ZIP Codes in Polk County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
71953MenaStandard13,415$51,969665.3-7.6%
71937CoveStandard2,098$57,75078.313.5%
71945HatfieldStandard1,469$38,09052.3-9.7%
71944GrannisStandard1,119$75,89351.544.6%
71973WickesStandard994$33,313109.8-32.5%
71972VandervoortStandard416$68,54255.539.6%
71932Board CampPO Box0.0

Adjacent & Nearby Counties