ZIP Codes of Apache County, AZ

Population & People
Population & People
Total Population
66,622
Household Income
Household Income
Median Income
$46,404
Housing
Housing
Total Housing Units
29,134
Business & Economy
Business & Economy
Total Businesses
434
Employment
Employment
Employment Rate
37.35%
Education
Education
Bachelor's Degree+
16.48%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 28 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:28 ZIP Codes (9 Standard, 19 PO Box, 0 Unique) [See All]
Area Code:928
Timezone:Mountain (GMT -07:00)
Local Time:2:11:26 PM
Population:66,622 [See All]
FIPS:04001
Land Area:9,856 sq mi
Water Area:19 sq mi
Coordinates:35.3969, -109.4183
Quick Link:
https://www.zip-codes.com/county/az-apache.asp
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Sharp income gradient
Wealthiest ZIP earns 4.9× the poorest — $131,238 vs $27,058.

Standout ZIPs in this County


Most Populous
Chinle · 9,911 people
14.9% of county total
Highest Income
Saint Johns · $131,238 median
2.8× county average
Largest Land Area
Saint Johns · 1,086.1 sq mi
Spans the most ground
Fastest Growth
Tsaile · 47.0% (10-yr)
1,901 → 2,795 residents
Most Educated
Eagar · 29.3% bachelor's+
912 of 3,111 adults 25+

Things worth knowing about Apache County


66,622 residents live across 28 ZIPs covering 9,856 sq mi, served by 28 distinct USPS-recognized cities.

Population moved from 73,240 to 66,622 from 2014 to 2024 — a -9.0% change. 12 ZIPs gained residents, 16 lost.

The county's wealthiest ZIP 85936 (Saint Johns, $131,238 median) and poorest ZIP 86508 (Lupton, $17,054) are 49.5 miles apart — a 7.7× income gap across local geography.

Median home values vary 11.5× across this county — from $30,500 in 86540 (Nazlini) to $352,100 in 85920 (Alpine).

Density varies 126× across the county — from 1 people/sq mi in 86502 (Chambers) to 133 in 86515 (Window Rock).

Educational attainment ranges from 4.2% bachelor's+ in 86544 (Red Valley) to 42.1% in 85920 (Alpine) — the breadth of educational profiles across the area.

Within Arizona, this is the #10 most populous of 16 counties and ranks #15 for median household income .

Weighted by population, the typical household earns about $47,039 across the county — reflecting what a typical resident sees, not a simple ZIP average.

16.5% of adults age 25+ hold a bachelor's degree or higher (7,065 of 42,864 reporting).

9 Standard delivery, 19 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Apache County


Two counties in one

Median household income spans 7.7× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.

Wealthiest ZIP
Saint Johns
Median income: $131,238
Population: 3,909
Bachelor's+: 27.6%
vs
Poorest ZIP (pop >= 500)
Lupton
Median income: $17,054
Population: 516
Bachelor's+: 8.3%
For every $1 of household income in 86508, the typical household in 85936 earns $7.70.

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
9,856
square miles
Avg density
6.8
people per sq mi
Population
66,622
across 28 ZIPs
Saint Johns
1,086.1 sq mi
3,909 residents
Ganado
1,030.2 sq mi
6,779 residents
Chinle
811.7 sq mi
9,911 residents

Population decline

Apache County lost 9.0% of residents between 2014 and 2024. ZIPs that shed the largest share:

Rock Point
-48.0%
1,500 → 780 residents
Lupton
-46.3%
960 → 516 residents
Chambers
-45.5%
1,535 → 836 residents
Many Farms
-33.1%
2,563 → 1,714 residents
Round Rock
-28.5%
1,253 → 896 residents

All ZIP Codes in Apache County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
86503ChinleStandard9,911$36,321811.7-8.8%
86505GanadoStandard6,779$28,5471,030.2-17.2%
86504Fort DefiancePO Box5,760$46,573319.2-12.0%
85925EagarStandard4,401$82,708110.2-10.1%
85936Saint JohnsStandard3,909$131,2381,086.1-11.3%
86511Saint MichaelsPO Box3,583$41,000377.27.3%
86515Window RockPO Box3,433$47,33625.8-27.6%
86556TsailePO Box2,795$27,875264.947.0%
86512SandersPO Box2,557$31,087492.5-5.4%
86514Teec Nos PosStandard2,519$47,917667.63.1%
85924ConchoStandard2,269$27,058797.3-16.4%
85938SpringervilleStandard2,236$49,684265.16.9%
86507LukachukaiPO Box2,207$35,924202.8-8.6%
86538Many FarmsPO Box1,714$30,268218.9-33.1%
86544Red ValleyPO Box1,472$23,068242.11.4%
85930McnaryPO Box1,374$54,250175.027.1%
86540NazliniPO Box1,220$24,271246.337.5%
86506HouckPO Box1,218$31,563154.1-19.4%
85940VernonPO Box1,185$110,486128.6-7.7%
86535DennehotsoPO Box1,183$31,250356.77.1%
86547Round RockStandard896$39,000130.0-28.5%
85932NutriosoPO Box894229.4123.5%
86502ChambersPO Box836$20,500793.9-45.5%
86545Rock PointPO Box780$26,071314.4-48.0%
85920AlpinePO Box613$73,43872.957.2%
86508LuptonPO Box516$17,05491.0-46.3%
85927GreerStandard315$92,026140.8370.1%
86028Petrified Forest Natl PkPO Box47111.1

Adjacent & Nearby Counties