ZIP Codes of Lincoln County, AR

Population & People
Population & People
Total Population
12,683
Household Income
Household Income
Median Income
$56,129
Housing
Housing
Total Housing Units
4,328
Business & Economy
Business & Economy
Total Businesses
138
Employment
Employment
Employment Rate
33.84%
Education
Education
Bachelor's Degree+
12.15%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 4 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:4 ZIP Codes (3 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:327 / 870
Timezone:Central (GMT -06:00)
Local Time:2:11:24 PM
Population:12,683 [See All]
FIPS:05079
Land Area:505 sq mi
Water Area:10 sq mi
Coordinates:34.0308, -91.7329
Quick Link:
https://www.zip-codes.com/county/ar-lincoln.asp
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Arkansas's #54 most populous county
12,683 residents across 4 ZIPs — #54 of 78 Arkansas counties.

Standout ZIPs in this County


Most Populous
Star City · 7,059 people
55.7% of county total
Highest Income
Grady · $76,113 median
1.4× county average
Largest Land Area
Star City · 282.0 sq mi
Spans the most ground
Fastest Growth
Gould · 326.0% (10-yr)
1,204 → 5,129 residents
Most Educated
Star City · 18.3% bachelor's+
871 of 4,756 adults 25+

Things worth knowing about Lincoln County


12,683 residents live across 4 ZIPs covering 505 sq mi, served by 4 distinct USPS-recognized cities.

Population moved from 13,633 to 12,650 from 2014 to 2024 — a -7.2% change. 1 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 71644 (Grady, $76,113 median) and poorest ZIP 71643 (Gould, $32,899) are 10.3 miles apart — a 2.3× income gap across local geography.

Median home values vary 3.0× across this county — from $45,000 in 71643 (Gould) to $133,300 in 71644 (Grady).

Density varies across the county — from 7 people/sq mi in 71644 (Grady) to 33 in 71643 (Gould).

Educational attainment ranges from 5.1% bachelor's+ in 71643 (Gould) to 20.7% in 71644 (Grady) — the breadth of educational profiles across the area.

Within Arkansas, this is the #54 most populous of 78 counties and ranks #32 for median household income .

Weighted by population, the typical household earns about $49,251 across the county — reflecting what a typical resident sees, not a simple ZIP average.

12.1% of adults age 25+ hold a bachelor's degree or higher (1,179 of 9,707 reporting).

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

Stories about Lincoln 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
505
square miles
Avg density
25.1
people per sq mi
Population
12,683
across 4 ZIPs
Star City
282.0 sq mi
7,059 residents
Gould
155.2 sq mi
5,129 residents
Grady
67.5 sq mi
462 residents

Population decline

Lincoln County lost 7.0% of residents between 2014 and 2024. ZIPs that shed the largest share:

Grady
-89.3%
4,319 → 462 residents
Star City
-13.0%
8,110 → 7,059 residents

All ZIP Codes in Lincoln County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
71667Star CityStandard7,059$59,375282.0-13.0%
71643GouldStandard5,129$32,899155.2326.0%
71644GradyStandard462$76,11367.5-89.3%
71678YorktownPO Box330.0

Adjacent & Nearby Counties