Pima County, Arizona Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 2nd-largest in Arizona
The population of Pima County, Arizona is 1,049,947 as of the 2023 American Community Survey, making it the 2nd-largest county in Arizona. The median household income is $67,929, the median home value is $286,900, and the median age is 39.7.
The population of Pima County has grown 10.0% since 2010 (981,649 → 1,080,149), a +0.69% annualized rate.
1,049,947
Population
+0.69%
Annual growth
114
People / sq mi
$67,929
Median Income
$286,900
Median Home Value
Pima County covers 9,189 sq mi of land at 114.3 people per square mile.
About Pima County, AZ
Pima County is defined demographically by education — 35.9% of adults hold a bachelor’s degree, near the national average. Pima County is a county in Arizona with a population of 1,049,947. That makes it one of the ten largest counties in Arizona in the country, at #2 by population.
Household earnings are middling, with a median of $67,929 — below the US median of $78,538. Poverty runs at 9.8%, below the national 12.4%. A typical home is worth $286,900, with typical rent around $1,154.
Educational attainment is on the higher side for US counties — 35.9% of adults hold a four-year degree, near the national 35.0%. About 13.8% of workers primarily work from home, close to the national 14.0%, and the average commute runs about 24 minutes each way.
The education numbers are the throughline: a college-heavy population in Pima County usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Pima County Population History (2010-2024)
The county of Pima County had a population of 981,649 in 2010 and 1,080,149 in 2024, a 10.0% growth over 14 years. The peak was 1,080,149 in 2024. Average annual growth rate: 0.69%.
1,080,149
Population (2024)
981,649
Population (2010)
1,080,149
Peak (2024)
0.69%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 981,649 |
| 2011 | 988,500 |
| 2012 | 993,231 |
| 2013 | 997,374 |
| 2014 | 1,004,521 |
| 2015 | 1,009,490 |
| 2016 | 1,017,083 |
| 2017 | 1,027,115 |
| 2018 | 1,037,746 |
| 2019 | 1,049,261 |
| 2020 | 1,045,227 |
| 2021 | 1,049,083 |
| 2022 | 1,059,412 |
| 2023 | 1,068,579 |
| 2024 | 1,080,149 |
Race & Ethnicity
| White | 63.2% |
| Black or African American | 3.6% |
| Asian | 0.3% |
| Hispanic or Latino (any race) | 5.6% |
| Two or More Races | 0.1% |
Age & Sex
39.7
Median Age
50.6%
Female
49.4%
Male
21.2%
Age 65+
Age Distribution
Children (under 15): 16.4% · Seniors (65+): 21.2%
Income & Poverty
| Median household income | $67,929$-8,943 vs state |
| Mean household income | $92,561 |
| Per-capita income | $38,564 |
| Poverty rate | 9.8%+0.9% vs state |
| Unemployment rate | 3.3% |
| Employment-to-population | 54.2% |
Top Industries by Employment
The largest employment sector in Pima County is professional & business services, accounting for 26.1% of workers.
How residents commute
1.6%
Drive alone
1.9%
Carpool
70.7%
Public transit
13.8%
Work from home
24.4 min
Avg commute
Housing
$286,900$-72,000 vs state
Median home value
$1,154
Median rent
64.8%
Homeownership rate
475,378
Total housing units
90.7%
Occupied
9.3%
Vacant
35.2%
Renter-occupied
Social & access
91.1%
With health insurance
95.8%
With broadband internet
44.2%
Foreign-born
9.6%
Veterans (18+)
15.1%
With a disability
74.3%
Speak language other than English at home
Education
89.9%
High School+
35.9%
Bachelor's+
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County rankings
Common questions about Pima County, AZ
Frequently Asked Questions
Pima County, Arizona has a population of 1,049,947 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 2nd-largest county in Arizona. Population density is 114 people per square mile.
The population of Pima County has grown 10.0% since 2010 (981,649 → 1,080,149), a +0.69% annualized rate.
The median household income in Pima County, Arizona is $67,929, with mean (average) household income of $92,561 and per-capita income of $38,564. 9.8% of residents live below the federal poverty level.
In Pima County, the largest racial and ethnic groups are White (63.2%), Hispanic or Latino (5.6%), Black or African American (3.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Pima County, Arizona is 39.7 years. Residents are 50.6% female and 49.4% male.
The median home value in Pima County is $286,900 and median monthly rent is $1,154. 64.8% of occupied housing units are owner-occupied. The county has 475,378 total housing units, 9.3% of which are vacant.
The largest employment sector in Pima County, Arizona is professional, scientific, and management services, employing 26.1% of workers. The unemployment rate is 3.3%.
Phoenix is among the largest cities associated with Pima County, Arizona, with a population of 1,624,832.
Pima County, AZ Climate
Pima County, AZ has an average annual temperature of 18.9°C (66°F) and receives about 365 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
18.9°C
Avg Temp
365
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 10° / 50° | 27 mm |
| February | 12° / 53° | 23 mm |
| March | 14° / 56° | 27 mm |
| April | 17° / 63° | 9 mm |
| May | 21° / 71° | 5 mm |
| June | 27° / 80° | 6 mm |
| July | 29° / 83° | 66 mm |
| August | 27° / 81° | 68 mm |
| September | 26° / 78° | 41 mm |
| October | 21° / 69° | 30 mm |
| November | 15° / 58° | 22 mm |
| December | 10° / 51° | 41 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Pima County, AZ
The most comfortable months to visit Pima County, AZ are typically May, October and April, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 36°C high). The coldest is January (near 3°C low). August is usually the wettest month.
Where to stay near Pima County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.