Population & Household section gives reader an outlook. of general population profile, structure, and outlook.
Population Trend
Pima County, AZ, exhibits a modest population growth rate of 0.7% over the past year, significantly lower than the state average of 1.3%. With a median age of 39.0 years, it is slightly older than the state median of 38.4 years. The county has a higher old-age dependency ratio (34.3%) compared to the state (30.3%), indicating a larger proportion of elderly residents. Additionally, Pima County's sex ratio of 98.1 is lower than the state average of 100.1, suggesting a demographic imbalance. Overall, Pima County's growth and demographic trends reflect a more aging population relative to other counties in Arizona, such as Maricopa and Pinal, which are experiencing faster growth.
Total Population
1042393
Sex Ratio
98.1 %
Population Growth (2021-2022)
0.7 %
Population CAGR (2010-2022)
0.65 %
Population Growth Rate (%)
Source: Census.gov
Age Structure
Dependency Rate
68.4 %
Median Age
39.0 y.o.
% of Population > 65 y.o.
20.4 %
Active Aging Index
122.4 %
Old Dependency Rate
34.3 %
Young Dependency Rate
34 %
Age Structure (%)
Source: Census.gov
Population Structure
Source: Census.gov
Household Status
Pima County, AZ, with a total of 423,075 households, shows a distinct demographic profile compared to other counties in Arizona. The county has a lower average household size (2.39) than the state average (2.56) and a slightly lower percentage of households with children (27.1%) compared to Maricopa County (31.8%). However, Pima County has a higher percentage of households with elderly residents (35.5%) than both Maricopa (29.2%) and the state average (33.3%). The county's household growth rate of 1.34% over the past year is modest compared to Pinal County's 4.08%, indicating slower growth dynamics. Overall, Pima County's demographic trends reflect a unique balance of family structures and aging populations, setting it apart from its larger urban counterparts in Arizona.
Total Households
423075
Married-couple Household
182022
Household CAGR (2010-2022)
0.86 %
Household Growth (2021-2022)
1.34 %
Average Household Size
2.39 p
Average Family Size
3.02 p
Household with Children (%)
27.1 %
Household with Elder 65+ (%)
35.5 %
Household Size
Source: Census.gov
Household Structure
Source: Census.gov
Marriage
Never Married
35 %
Now Married
46.5 %
Widowed
5.8 %
Divorced
12.7 %
Marriage Status
Source: Census.gov
Marriage Status Breakdown
Source: Census.gov | S1201
Cultures
*Culture section contains several components: races, education, marriage and other factors.
Racial Profiiles
Pima County, AZ, exhibits a diverse demographic profile, with 38.1% identifying as Hispanic, significantly higher than the national average of 18.7% and the state average of 32%. The county's single race percentage stands at 85.8%, slightly below Arizona's 86.6% and Maricopa County's 86.4%. Notably, Pima County has a higher percentage of non-white residents (34.1%) compared to both the national (34.1%) and state averages (33.3%). This diversity reflects Pima's unique cultural landscape, influenced by its proximity to the Mexican border and a rich history of multiculturalism.
One Race
85.8 %
Two or More Races
14.2 %
Non-White
34.1 %
Hispanic (Overlapping)
38.1 %
White
686722
Black
36039
Asian
30281
Native American
35278
Race Structure (%)
Source: Census.gov
Racial Profile Breakdown
Source: Census.gov
Place of Birth
Pima County, AZ, has a population where 87.8% were born in the U.S., slightly above the Arizona state average of 87% and higher than the national average of 86.3%. Notably, 12.2% of Pima's population is foreign-born, which is lower than Maricopa County's 14.5% but higher than Pinal County's 9.2%. Among foreign-born residents, 52.9% are naturalized citizens, indicating a relatively high level of integration. The county's demographics reflect a diverse population, with significant numbers from Asia (23,454) and South America (81,041), contributing to its cultural richness compared to other counties in Arizona.
Native US Citizen
686722
Native US Citizen (%)
34.1 %
Born in Arizona (%)
42.8 %
Born in Other State (%)
43.2 %
Foreign Born (%)
12.2 %
Naturalized (% of Foreign Born)
52.9 %
Place of Birth Changes (2010-2022)
Source: Census.gov
Birthplace Breakdown (Outside of US)
Source: Census.gov
Migration
-
Migration Inflow (% of Population)
17.2 %
From Different County (% of Inflow)
32.5 %
From Different State (% of Inflow)
57.5 %
From Different Country (% of Inflow)
10 %
%
Source: Census.gov
Religion
Number of Congregations
707
Number of Adherents
405288
Adherents (% of Total Population)
38.9 %
Christian (% of Total Population)
32.5 %
Religion Breakdown
Source: Census.gov
Education Attainment
Pima County, AZ, shows a notable educational landscape, with 35% of its population aged 25 and older holding a bachelor's degree, matching the state average but trailing behind Maricopa County's 35%. Over the past decade, Pima's degree attainment has increased from 29.8%. The median earnings for those with a bachelor's degree in Pima stand at $52,913, lower than the state median of $61,392, yet higher than the national median of $64,982. Additionally, Pima County boasts a significant 49% of bachelor's degree holders enrolled in STEM fields, indicating a strong focus on technical education compared to other counties in Arizona.