ZIP Codes of Washington County, AR

Population & People
Population & People
Total Population
270,055
Household Income
Household Income
Median Income
$70,937
Housing
Housing
Total Housing Units
110,480
Business & Economy
Business & Economy
Total Businesses
6,532
Employment
Employment
Employment Rate
62.82%
Education
Education
Bachelor's Degree+
35.16%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 23 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:23 ZIP Codes (15 Standard, 8 PO Box, 0 Unique) [See All]
Area Code:479
Timezone:Central (GMT -06:00)
Local Time:11:52:44 PM
Population:270,055 [See All]
FIPS:05143
CBSA:Fayetteville-Springdale-Rogers, AR
Land Area:1,124 sq mi
Water Area:11 sq mi
Coordinates:36.0253, -94.2172
Quick Link:
https://www.zip-codes.com/county/ar-washington.asp
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Top 3 most populous in Arkansas
#3 of 78 counties in Arkansas, with 270,055 residents.
Among Arkansas's 5 fastest-growing counties
#2 statewide, up 21.2% from 2014 to 2024.
Among Arkansas's 5 most-educated counties
35.2% with bachelor's+ (#4 statewide).
Wide geographic spread
ZIPs range from 190.5 sq mi down to 1.17 — a 163× sprawl ratio.
Striking education divide
Bachelor's share spans 10.6% to 52.9% — a 42-point gap.
Among Arkansas's 5 most renter-heavy counties
43.5% of homes rented — #2 statewide.

Standout ZIPs in this County


Most Populous
Springdale · 58,719 people
21.7% of county total
Highest Income
Fayetteville · $96,014 median
1.4× county average
Largest Land Area
Winslow · 190.5 sq mi
Spans the most ground
Fastest Growth
Fayetteville · 43.9% (10-yr)
22,578 → 32,497 residents
Most Educated
Fayetteville · 52.9% bachelor's+
11,619 of 21,948 adults 25+

Things worth knowing about Washington County


270,055 residents live across 23 ZIPs covering 1,124 sq mi, served by 17 distinct USPS-recognized cities.

Population moved from 222,800 to 270,055 from 2014 to 2024 — a +21.2% change. 14 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 72704 (Fayetteville, $96,014 median) and poorest ZIP 72959 (Winslow, $51,923) are 24.9 miles apart — a 1.8× income gap across local geography.

Median home values vary 2.1× across this county — from $186,800 in 72744 (Lincoln) to $391,000 in 72703 (Fayetteville).

Density varies 55× across the county — from 16 people/sq mi in 72959 (Winslow) to 862 in 72703 (Fayetteville).

Educational attainment ranges from 10.6% bachelor's+ in 72744 (Lincoln) to 52.9% in 72704 (Fayetteville) — the breadth of educational profiles across the area.

Within Arkansas, this is the #3 most populous of 78 counties and ranks #7 for median household income with the #2 fastest decade growth .

Weighted by population, the typical household earns about $71,353 across the county — reflecting what a typical resident sees, not a simple ZIP average.

35.2% of adults age 25+ hold a bachelor's degree or higher (58,658 of 166,819 reporting). The most-educated ZIPs cluster around Fayetteville.

15 Standard delivery, 8 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Washington County


Where the growth lives

Washington County grew 21.2% over the past decade — concentrated in 4 high-growth ZIPs:

Fayetteville
+43.9%
22,578 → 32,497 residents
Farmington
+35.3%
8,554 → 11,570 residents
Prairie Grove
+34.4%
7,993 → 10,744 residents
Springdale
+31.2%
35,142 → 46,092 residents

All ZIP Codes in Washington County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
72764SpringdaleStandard58,719$65,89868.68.1%
72701FayettevilleStandard49,835$55,506128.821.3%
72762SpringdaleStandard46,092$82,22858.931.2%
72703FayettevilleStandard35,896$60,56841.717.5%
72704FayettevilleStandard32,497$96,01472.443.9%
72730FarmingtonStandard11,570$91,73120.535.3%
72753Prairie GroveStandard10,744$70,98590.234.4%
72774West ForkStandard7,082$76,316121.013.0%
72727ElkinsStandard6,703$75,402151.912.9%
72744LincolnStandard5,520$65,85080.27.4%
72959WinslowStandard2,972$51,923190.54.0%
72717CanehillStandard1,068$73,01143.520.3%
72769SummersStandard907$56,75441.1-28.5%
72749MorrowStandard2961.2211.6%
72729EvansvilleStandard15413.441.3%
72737GreenlandPO Box0.0
72702FayettevillePO Box0.0
72735GoshenPO Box0.0
72741JohnsonPO Box0.0
72766SpringdalePO Box0.0
72770TontitownPO Box0.0
72765SpringdalePO Box0.0
72728Elm SpringsPO Box0.0

Adjacent & Nearby Counties