ZIP Codes of Little River County, AR

Population & People
Population & People
Total Population
11,821
Household Income
Household Income
Median Income
$53,204
Housing
Housing
Total Housing Units
6,059
Business & Economy
Business & Economy
Total Businesses
165
Employment
Employment
Employment Rate
51.83%
Education
Education
Bachelor's Degree+
17.17%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:6 ZIP Codes (4 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:327 / 870
Timezone:Central (GMT -06:00)
Local Time:11:52:42 PM
Population:11,821 [See All]
FIPS:05081
CBSA:Texarkana, TX-AR
Land Area:564 sq mi
Water Area:25 sq mi
Coordinates:33.7314, -94.2196
Quick Link:
https://www.zip-codes.com/county/ar-little-river.asp
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Arkansas's #55 most populous county
11,821 residents across 6 ZIPs — #55 of 78 Arkansas counties.

Standout ZIPs in this County


Most Populous
Ashdown · 7,675 people
64.9% of county total
Highest Income
Wilton · $67,688 median
1.3× county average
Largest Land Area
Ashdown · 283.2 sq mi
Spans the most ground
Fastest Growth
Foreman · 7.1% (10-yr)
2,957 → 3,166 residents
Most Educated
Ashdown · 18.7% bachelor's+
1,009 of 5,401 adults 25+

Things worth knowing about Little River County


11,821 residents live across 6 ZIPs covering 564 sq mi, served by 6 distinct USPS-recognized cities.

Population moved from 12,831 to 11,821 from 2014 to 2024 — a -7.9% change. 3 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 71865 (Wilton, $67,688 median) and poorest ZIP 71866 (Winthrop, $34,688) are 18.8 miles apart — a 2.0× income gap across local geography.

Median home values vary 2.2× across this county — from $83,900 in 71865 (Wilton) to $184,900 in 71820 (Alleene).

Density varies 2801× across the county — from 5 people/sq mi in 71853 (Ogden) to 15,217 in 71865 (Wilton).

Educational attainment ranges from 6.5% bachelor's+ in 71820 (Alleene) to 18.7% in 71822 (Ashdown) — the breadth of educational profiles across the area.

Within Arkansas, this is the #55 most populous of 78 counties and ranks #42 for median household income .

Weighted by population, the typical household earns about $56,304 across the county — reflecting what a typical resident sees, not a simple ZIP average.

17.2% of adults age 25+ hold a bachelor's degree or higher (1,430 of 8,330 reporting).

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

Stories about Little River 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
564
square miles
Avg density
21.0
people per sq mi
Population
11,821
across 6 ZIPs
Ashdown
283.2 sq mi
7,675 residents
Foreman
196.8 sq mi
3,166 residents
Ogden
42.5 sq mi
231 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.

Ashdown

Population decline

Little River County lost 7.9% of residents between 2014 and 2024. ZIPs that shed the largest share:

Ashdown
-12.5%
8,775 → 7,675 residents

All ZIP Codes in Little River County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
71822AshdownStandard7,675$59,167283.2-12.5%
71836ForemanStandard3,166$51,271196.87.1%
71866WinthropStandard390$34,68838.92.9%
71853OgdenStandard23142.5-28.0%
71865WiltonPO Box210$67,6880.0-21.1%
71820AlleenePO Box1492.212.0%

Adjacent & Nearby Counties