- county
- FIPS 04021
- Largest town: Maricopa
Pinal County, Arizona
Pinal County had 513,862 residents in the Census Vintage 2024 estimate, on 5,366.7 square miles of land. It ranks 3rd of 15 in Arizona by population and 10th by land area.
- Population
- 513,862
- #3 of 15 in Arizona · #145 in US
- Area
- 5,366.7 sq mi
- #10 of 15 in Arizona · #70 in US
- Density
- 96 / sq mi
- #3 of 15 in Arizona · #943 in US
- Median household income
- $77,290
- #2 of 15 in Arizona · #569 in US
Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area
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Pinal County population, land area and income
Pinal County had 513,862 residents in the Census Vintage 2024 estimate, on 5,366.7 square miles of land. It ranks 3rd of 15 in Arizona by population and 10th by land area. That works out to 95.8 people per square mile, near the US average of 96.3, and above the national county median.
The median county-equivalent in Arizona has 125,773 residents, so Pinal County is 4.1 times that size.
Its SAIPE 2023 median household income of $77,290 is in the top quarter among 3,143 counties with an estimate.
National rank among 3,144
Population
513,862
145th of 3,144 (US)
Land area
5,367 sq mi
70th of 3,144 (US)
Density
95.8 / sq mi
943rd of 3,144 (US)
Median household income
$77,290
569th of 3,143 (US)
Rank within Arizona (15)
Population
513,862
3rd of 15 (AZ)
Land area
5,367 sq mi
10th of 15 (AZ)
Density
95.8 / sq mi
3rd of 15 (AZ)
Median household income
$77,290
2nd of 15 (AZ)
How Pinal County's population changed since 2020
Pinal County gained 83,649 residents between the July 2020 and July 2024 estimates, a rise of 19.4%. That ranks 1st of 15 in Arizona for growth. The median Arizona county changed by +3.3%, and the state as a whole by +5.5%.
Since the April 2020 estimates base, Pinal County recorded 21,007 births and 18,996 deaths, a natural change of +2,011. Net international migration added +7,682 and net domestic migration, people moving to or from other US counties, came to +78,400. The largest single component was domestic migration, which added 78,400 people.
Components of change, April 2020 to July 2024
- Births
- 21,007
- Deaths
- 18,996
- Net international migration
- +7,682
- Net domestic migration
- +78,400
- Change, July 2023 to July 2024
- +27,467
Where Pinal County is
The Census internal point of Pinal County is at 32.918500, -111.366300. It sits in UTM zone 12N. The map shades Arizona's 15 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Pinal County outlined. Dots are towns of 1,000+ people with residents in it.
- < -0.0%
- < +2.5%
- < +4.2%
- < +5.9%
- ≥ +5.9%
Orange pin: Pinal County internal point. Dark pin: Phoenix.
Internal point
- Decimal
- 32.918500, -111.366300
- DMS
- 32°55'6.60"N 111°21'58.68"W
- UTM
- 12N 465750.3E 3642311.4N
- Geohash
- 9tbg3b9s1
- Plus code
- 854CWJ9M+CF
Towns in Pinal County
10 incorporated places of 1,000+ people have residents in Pinal County, 272,702 people together, or 53% of the county. Each figure counts only the part of the town inside Pinal County; towns marked "part" extend into another county. The largest is Maricopa with 76,654.
- 01Maricopa76,654
- 02Casa Grande68,927
- 03Apache Junction (part)43,915
- 04Florence24,891
- 05Coolidge19,674
- 06Eloy19,199
- 07Queen Creek (part)13,681
- 08Superior2,682
- 09Kearny1,898
- 10Mammoth1,181
Counties bordering Pinal County
The Census 2024 county adjacency file lists 4 neighbors for Pinal County. The most populous is Maricopa County, AZ, with 4,673,096 residents. Distances run between Census internal points in a straight line.
Distance to Phoenix and the nearest big city
Phoenix is 54.9 miles NW of Pinal County's internal point in a straight line. The nearest place of 100,000 or more is Gilbert, AZ (population 288,790), 34.7 miles away. The nearest place of 10,000 or more is Coolidge, AZ (population 19,674), 9.2 miles away.
Pinal County FIPS code
The FIPS code of Pinal County is 04021: state code 04 for Arizona plus county code 021. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $77,290.
Questions people ask
What is the population of Pinal County, Arizona?
The Census Vintage 2024 estimate for July 1, 2024 is 513,862. That is up 83,649 people (19.4%) from the July 2020 estimate of 430,213.
What is the FIPS code of Pinal County?
04021. The first two digits (04) are Arizona; the last three (021) identify the county.
What is the largest town in Pinal County?
Maricopa, with 76,654 residents inside Pinal County in 2024.
Which counties border Pinal County?
4 county-equivalents border it in the Census 2024 adjacency file: Maricopa County, AZ; Pima County, AZ; Gila County, AZ; Graham County, AZ.
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Vintage 2024 subcounty population estimates
- 05Census 2024 county adjacency file
- 06Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.