ZIP Codes of Grant County, AR

Population & People
Population & People
Total Population
17,039
Household Income
Household Income
Median Income
$66,071
Housing
Housing
Total Housing Units
7,300
Business & Economy
Business & Economy
Total Businesses
303
Employment
Employment
Employment Rate
53.54%
Education
Education
Bachelor's Degree+
21.30%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 5 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:5 ZIP Codes (5 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:327 / 870
Timezone:Central (GMT -06:00)
Local Time:11:52:41 PM
Population:17,039 [See All]
FIPS:05053
CBSA:Little Rock-North Little Rock-Conway, AR
Land Area:639 sq mi
Water Area:1 sq mi
Coordinates:34.2492, -92.5108
Quick Link:
https://www.zip-codes.com/county/ar-grant.asp
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Arkansas's #41 most populous county
17,039 residents across 5 ZIPs — #41 of 78 Arkansas counties.

Standout ZIPs in this County


Most Populous
Sheridan · 12,337 people
72.4% of county total
Highest Income
Sheridan · $73,818 median
1.1× county average
Largest Land Area
Sheridan · 292.1 sq mi
Spans the most ground
Fastest Growth
Prattsville · 17.7% (10-yr)
1,280 → 1,506 residents
Most Educated
Sheridan · 25.5% bachelor's+
2,163 of 8,496 adults 25+

Things worth knowing about Grant County


17,039 residents live across 5 ZIPs covering 639 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 16,309 to 17,039 from 2014 to 2024 — a +4.5% change. 4 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 72150 (Sheridan, $73,818 median) and poorest ZIP 72057 (Grapevine, $59,335) are 9.4 miles apart — a 1.2× income gap across local geography.

Median home values vary 2.2× across this county — from $84,100 in 72057 (Grapevine) to $188,600 in 72150 (Sheridan).

Density varies across the county — from 6 people/sq mi in 72084 (Leola) to 42 in 72150 (Sheridan).

Educational attainment ranges from 3.5% bachelor's+ in 72057 (Grapevine) to 25.5% in 72150 (Sheridan) — the breadth of educational profiles across the area.

Within Arkansas, this is the #41 most populous of 78 counties and ranks #13 for median household income .

Weighted by population, the typical household earns about $71,247 across the county — reflecting what a typical resident sees, not a simple ZIP average.

21.3% of adults age 25+ hold a bachelor's degree or higher (2,536 of 11,904 reporting).

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

Stories about Grant 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
639
square miles
Avg density
26.6
people per sq mi
Population
17,039
across 5 ZIPs
Sheridan
292.1 sq mi
12,337 residents
Leola
174.8 sq mi
1,047 residents
Grapevine
93.0 sq mi
1,231 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.

Sheridan

All ZIP Codes in Grant County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
72150SheridanStandard12,337$73,818292.16.6%
72129PrattsvilleStandard1,506$70,32653.517.7%
72057GrapevineStandard1,231$59,33593.036.8%
72084LeolaStandard1,047$60,938174.8-38.4%
72128PoyenStandard918$65,93826.07.5%

Adjacent & Nearby Counties