Pinal County, Arizona

County seat: Florence · Population 539,380 (2025) · 5,367 sq mi

Pinal County is the 3rd most populous of Arizona's 15 counties, with 539,380 people (2025 estimate). Its county seat is Florence. The map shows its 13 cities and towns and the 4 neighboring counties.

Map of Pinal County, Arizona with cities, towns and the county boundary
Pinal County, Arizona with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).
Download PDF (Letter) 123 KBPNG image 80 KBArizona county map

Pinal County facts

County seat
Florence
Population (2025 estimate)
539,380 +26.6% since 2020
Land area
5,367 sq mi 10th largest of 15
Water area
8 sq mi
Population density
101 per sq mi
Established
1875
Named after
Pinal Peak mountain in Arizona, United States of America
Largest city
Maricopa 78,362
Median household income
$80,266
Cities and towns
13 plus 30 CDPs
ZIP codes
35
Time zone
Mountain (no DST)
FIPS code
04021

Cities and towns in Pinal County

Pinal County has 13 incorporated cities, towns and villages. Populations count the people living inside Pinal County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
MaricopaCity78,362
Casa GrandeCity69,753
Apache JunctionCity45,289Maricopa County
Florence (county seat)Town25,222
EloyCity19,967
CoolidgeCity19,959
Queen CreekTown15,207Maricopa County
SuperiorTown2,611
KearnyTown1,849
MammothTown1,149
WinkelmanTown2Gila County
HaydenTown0Gila County
MaranaTown0Pima County

Unincorporated communities (CDPs)

Census-designated places are communities without their own city government; the county provides their services.

CommunityPopulationAlso in
Gold Canyon13,107
Saddlebrooke13,085
Arizona City9,543
San Manuel3,491
Sacaton3,429
Red Rock3,277
Oracle3,146
Blackwater1,958
Casa Blanca1,697
Ak-Chin Village1,132
Queen Valley1,118
Dudleyville684
Stanfield646
Cactus Forest640
Sacaton Flats Village604
Goodyear Village590
Wet Camp Village397
Picacho297
Lower Santan Village289
Sacate Village283
Chuichu278
Upper Santan Village234
Vaiva Vo184
Top-of-the-World142Gila County
Sweet Water Village106
Stotonic Village78
Campo Bonito0
Kohatk0
Santa Cruz0
Tat Momoli0

ZIP codes in Pinal County

35 ZIP codes reach into Pinal County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of Pinal County, 2020–2025

Pinal County grew by 113,387 people (+26.6%) between April 2020 and July 2025: 3,910 more births than deaths and a net gain of 109,506 people from migration.

Year (July 1)Population
2020430,231
2021449,128
2022465,550
2023486,554
2024515,726
2025539,380

Neighboring counties

Printable Pinal County map

The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.

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Sources

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