ZIP Codes of Graham County, AZ

Population & People
Population & People
Total Population
35,920
Household Income
Household Income
Median Income
$79,856
Housing
Housing
Total Housing Units
13,210
Business & Economy
Business & Economy
Total Businesses
554
Employment
Employment
Employment Rate
50.95%
Education
Education
Bachelor's Degree+
14.99%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 9 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:9 ZIP Codes (4 Standard, 5 PO Box, 0 Unique) [See All]
Area Code:928
Timezone:Mountain (GMT -07:00)
Local Time:2:11:26 PM
Population:35,920 [See All]
FIPS:04009
CBSA:Safford, AZ
Land Area:2,047 sq mi
Water Area:12 sq mi
Coordinates:32.9296, -109.8338
Quick Link:
https://www.zip-codes.com/county/az-graham.asp
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Among America's 50 most Hispanic-majority counties
0.3% Hispanic or Latino — #33 nationwide.
Wide geographic spread
ZIPs range from 904.7 sq mi down to 4.87 — a 186× sprawl ratio.

Standout ZIPs in this County


Most Populous
Safford · 20,809 people
57.9% of county total
Highest Income
Fort Thomas · $104,500 median
1.3× county average
Largest Land Area
Safford · 904.7 sq mi
Spans the most ground
Fastest Growth
Pima · 40.0% (10-yr)
3,476 → 4,868 residents
Most Educated
Thatcher · 21.6% bachelor's+
924 of 4,269 adults 25+

Things worth knowing about Graham County


35,920 residents live across 9 ZIPs covering 2,047 sq mi, served by 8 distinct USPS-recognized cities.

Population moved from 32,899 to 35,920 from 2014 to 2024 — a +9.2% change. 6 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 85536 (Fort Thomas, $104,500 median) and poorest ZIP 85530 (Bylas, $38,750) are 14.4 miles apart — a 2.7× income gap across local geography.

Median home values vary 20.7× across this county — from $23,200 in 85530 (Bylas) to $480,000 in 85531 (Central).

Density varies 3566× across the county — from 2 people/sq mi in 85536 (Fort Thomas) to 8,892 in 85551 (Solomon).

Educational attainment ranges from 2.9% bachelor's+ in 85530 (Bylas) to 54.1% in 85531 (Central) — the breadth of educational profiles across the area.

Within Arizona, this is the #13 most populous of 16 counties and ranks #2 for median household income with the #5 fastest decade growth .

Weighted by population, the typical household earns about $70,969 across the county — reflecting what a typical resident sees, not a simple ZIP average.

15.0% of adults age 25+ hold a bachelor's degree or higher (3,467 of 23,133 reporting).

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

Stories about Graham 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
2,047
square miles
Avg density
17.5
people per sq mi
Population
35,920
across 9 ZIPs
Safford
904.7 sq mi
20,809 residents
Pima
599.0 sq mi
4,868 residents
Bylas
368.9 sq mi
1,967 residents

All ZIP Codes in Graham County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
85546SaffordStandard20,809$61,832904.73.9%
85552ThatcherStandard6,861$88,45424.09.3%
85543PimaStandard4,868$92,011599.040.0%
85530BylasPO Box1,967$38,750368.913.4%
85531CentralPO Box657$97,3653.155.7%
85551SolomonPO Box361$76,0830.0-18.9%
85536Fort ThomasPO Box355$104,500142.4-31.3%
85535EdenStandard424.9
85548SaffordPO Box0.0

Adjacent & Nearby Counties