ZIP Codes of Dallas County, AR

Population & People
Population & People
Total Population
6,248
Household Income
Household Income
Median Income
$85,031
Housing
Housing
Total Housing Units
3,475
Business & Economy
Business & Economy
Total Businesses
166
Employment
Employment
Employment Rate
48.39%
Education
Education
Bachelor's Degree+
10.59%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 4 ZIPs in this county.
Data Last Updated: July 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:11:52:41 PM
Population:6,248 [See All]
FIPS:05039
Land Area:613 sq mi
Water Area:1 sq mi
Coordinates:33.9138, -92.5672
Quick Link:
https://www.zip-codes.com/county/ar-dallas.asp
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Notable population decline
Lost 23.6% of residents since 2014.
Among Arkansas's 5 wealthiest counties
#2 statewide, average median income $85,031.

Standout ZIPs in this County


Most Populous
Fordyce · 4,333 people
69.4% of county total
Highest Income
Sparkman · $73,438 median
0.9× county average
Largest Land Area
Sparkman · 256.6 sq mi
Spans the most ground
Fastest Growth
Sparkman · 5.7% (10-yr)
1,520 → 1,607 residents
Most Educated
Sparkman · 11.1% bachelor's+
136 of 1,223 adults 25+

Things worth knowing about Dallas County


6,248 residents live across 4 ZIPs covering 613 sq mi, served by 4 distinct USPS-recognized cities.

Population moved from 8,175 to 6,204 from 2014 to 2024 — a -24.1% change. 1 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 71763 (Sparkman, $73,438 median) and poorest ZIP 71742 (Fordyce, $38,843) are 19.5 miles apart — a 1.9× income gap across local geography.

Median home values vary 1.4× across this county — from $86,800 in 71763 (Sparkman) to $120,200 in 71725 (Carthage).

Density varies 13× across the county — from 2 people/sq mi in 71725 (Carthage) to 22 in 71742 (Fordyce).

Educational attainment ranges from 4.4% bachelor's+ in 71725 (Carthage) to 11.1% in 71763 (Sparkman) — the breadth of educational profiles across the area.

Within Arkansas, this is the #72 most populous of 78 counties and ranks #2 for median household income .

Weighted by population, the typical household earns about $48,898 across the county — reflecting what a typical resident sees, not a simple ZIP average.

10.6% of adults age 25+ hold a bachelor's degree or higher (479 of 4,522 reporting).

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

Stories about Dallas 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
613
square miles
Avg density
10.2
people per sq mi
Population
6,248
across 4 ZIPs
Sparkman
256.6 sq mi
1,607 residents
Fordyce
194.5 sq mi
4,333 residents
Carthage
156.9 sq mi
264 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.

Fordyce

Population decline

Dallas County lost 23.6% of residents between 2014 and 2024. ZIPs that shed the largest share:

Carthage
-57.2%
617 → 264 residents
Fordyce
-28.2%
6,038 → 4,333 residents

All ZIP Codes in Dallas County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
71742FordyceStandard4,333$38,843194.5-28.2%
71763SparkmanStandard1,607$73,438256.65.7%
71725CarthageStandard264156.9-57.2%
71748IvanPO Box44$142,8134.9

Adjacent & Nearby Counties