Pima County, Arizona
Pima County: county in Arizona, United States
About
Pima County is a county located in the U.S. state of Arizona. As of the 2010 census, the population was 980,263 and a population density of 41 people per km². After 10 years in 2020 county had an estimated population of 1,061,175 inhabitants. Its county seat is Tucson. The county was created 162 years ago in 1863.
County Snapshot
Pima County at a glance
Pima County currently has 22 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
22
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Arizona counties
15
Open related pagesLargest city
TucsonPopulation 553,571
Top linked places
Quick Facts about Pima County
| Population | 1,061,175 (2020) |
| Country | United States of America |
| State | Arizona (United States) |
| Area | 23799 km2 |
| Water as percent of area | 0.02% |
| Land as percent of area | 99.98% |
| Latitude & Longitude | 32.0974,-111.7900 |
| Named for | Pima people |
| Altitude | 2,159 feet / 658 meters |
| Capital | Tucson |
| Establishment | January 01, 1864 |
| Time Zone | America/Phoenix |
| Local time | 20:40:47 (15th April 2026) |
| Density | 45 Pop. per km² as of 2020 |
| Population growth | 7.62% (2010-2020) |
| Weather | 52℉ Clear 7-days weather |
Geography
Pima County is located at 32°5'51"N 111°47'24"W (32.0973800, -111.7899500). It has 7 neighbors: Heroica Caborca, Cochise County, Graham County, Maricopa County, Pinal County, Santa Cruz County and Yuma County.
Pima County map
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The largest city of Pima County is Tucson with a population of 553,571. Other cities include, Marana population 51,306, Oro Valley population 46,678, San Luis population 36,242 and Sahuarita population 32,327. See all Pima County cities & populated places.
Pima County Populated Places (more)
Cities, towns, neighborhoods & other populated places in Pima County.
| City Name | Population | Title |
|---|---|---|
| Tucson | 553,571 | The second most populous city in Arizona and the center of the Tucson metropolitan area. |
| Casas Adobes | 66,795 | Census-designated place in Pima County, Arizona, United States |
| Marana | 51,306 | Town in Pima and Pinal counties in Arizona, United States |
| Catalina Foothills | 50,796 | Census designated place |
| Oro Valley | 46,678 | Town in Pima County, Arizona, United States |
| San Luis | 36,242 | Town in Yuma County, Arizona, United States |
| Sahuarita | 32,327 | Town in Pima County, Arizona, United States |
| Drexel Heights | 27,749 | Census designated place in Pima County, Arizona, United States |
| Green Valley | 21,391 | Census-designated place in Pima County, Arizona, United States |
| Tanque Verde | 16,901 | Census-designated place in Pima County, Arizona |
| Flowing Wells | 16,419 | Census designated place |
| Tucson Estates | 12,192 | Census-designated place in Pima County, Arizona |
| Picture Rocks | 9,563 | Census-designated place in Pima County, Arizona, United States |
| Catalina | 7,569 | Census designated place in Pima County, Arizona, United States |
| Avra Valley | 6,050 | Census designated place |
| South Tucson | 5,742 | City in Pima County, Arizona, United States |
Official website of Pima County
Official Website- Tucson
Demographics
The population of Pima County increased by 7.62% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 980,263 | - | census |
| 2011 | 988,381 | 0.82% | estimation process |
| 2012 | 993,052 | 0.47% | estimation process |
| 2013 | 997,127 | 0.41% | estimation process |
| 2014 | 1,004,229 | 0.71% | estimation process |
| 2015 | 1,009,103 | 0.48% | estimation process |
| 2016 | 1,016,707 | 0.75% | estimation process |
| 2017 | 1,026,391 | 0.94% | estimation process |
| 2018 | 1,036,554 | 0.98% | estimation process |
| 2019 | 1,047,279 | 1.02% | estimation process |
| 2020 | 1,061,175 | 1.31% | estimation process |
People born in Pima County (1)
American politician Raúl Grijalva was born in Pima County
Arizona Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Maricopa County | 4,579,081 | County in Arizona, United States |
| Phoenix | 1,708,127 | The fifth most populous city in the United States and the center of the Phoenix metropolitan area. |
| Tucson | 553,571 | The second most populous city in Arizona and the center of the Tucson metropolitan area. |
| Mesa | 528,159 | The fourth most populous city in Arizona and the center of the Mesa metropolitan area. |
| Pinal County | 480,828 | County in Arizona, United States |
| Chandler | 265,398 | The second most populous city in Maricopa County, Arizona. |
| Scottsdale | 262,647 | The fourth most populous city in Arizona and the center of the Scottsdale metropolitan area. |
| Gilbert | 257,658 | The fifth most populous city in Arizona. |
| Glendale | 255,307 | The second most populous city in Arizona. |
| Yavapai County | 240,226 | County in Arizona, United States |
| Yuma County | 217,824 | County in Arizona, United States |
| Mohave County | 217,206 | County in Arizona, United States |
| Maryvale | 208,189 | Urban village in Phoenix, Arizona, United States |
| Tempe | 200,402 | The third most populous city in Arizona. |
| Peoria | 179,872 | The second most populous city in Maricopa County, Arizona. |
| Tempe Junction | 158,368 | A census-designated place in Maricopa County, Arizona. |