Pima County, Arizona: New American county. In 2024, voted D+15%. Democratic peak: D+33 in 1936.
Key facts
- 2024 presidential margin
- D+15MIT Election Lab
- Political typology
- New AmericanAkashic typology
- Population
- 1,060,4902024 5-year
- Median household income
- $70,3152024 5-year
- White (non-Hispanic)
- 59.2%2024 5-year
- Black
- 3.6%2024 5-year
- Hispanic / Latino
- 36.4%2024 5-year
- Peak Democratic margin
- D+33 in 1936MIT Election Lab
- Peak Republican margin
- R+25 in 1956MIT Election Lab
- Most similar
- Barnstable County, MA · similarity 0.98
2024 results by precinct
2024 precinct map of Pima CountyPrecinct-level 2024 presidential results for Pima County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | No data |
| 1896 | No data |
| 1900 | No data |
| 1904 | No data |
| 1908 | No data |
| 1912 | +18.8% |
| 1916 | −10.9% |
| 1920 | −16.0% |
| 1924 | −11.4% |
| 1928 | −14.2% |
| 1932 | +27.7% |
| 1936 | +33.2% |
| 1940 | +19.5% |
| 1944 | +9.0% |
| 1948 | +2.0% |
| 1952 | −20.4% |
| 1956 | −25.1% |
| 1960 | −5.1% |
| 1964 | +7.1% |
| 1968 | −9.9% |
| 1972 | −10.5% |
| 1976 | −3.9% |
| 1980 | −15.3% |
| 1984 | −14.8% |
| 1988 | −1.7% |
| 1992 | +11.2% |
| 1996 | +12.8% |
| 2000 | +8.0% |
| 2004 | +6.0% |
| 2008 | +6.1% |
| 2012 | +6.9% |
| 2016 | +13.6% |
| 2020 | +18.6% |
| 2024 | +15.1% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 292,450 | 214,669 | 515,027 | ||
| D | 304,981 | 207,758 | 522,174 | ||
| D | 224,661 | 167,428 | 421,640 | ||
| D | 201,251 | 174,779 | 383,173 | ||
| D | 206,254 | 182,406 | 393,428 | ||
| D | 193,128 | 171,109 | 367,492 | ||
| D | 147,688 | 124,579 | 287,640 | ||
| D | 137,983 | 104,121 | 264,552 | ||
| D | 128,569 | 97,036 | 281,484 | ||
| R | 113,824 | 117,899 | 234,473 | ||
| R | 91,585 | 123,830 | 217,612 | ||
| R | 64,418 | 93,055 | 187,057 | ||
| R | 71,214 | 77,264 | 155,061 | ||
| R | 56,223 | 73,154 | 161,110 | ||
| R | 39,786 | 49,479 | 97,766 | ||
| D | 54,120 | 46,955 | 101,278 | ||
| R | 42,171 | 46,734 | 89,144 | ||
| R | 23,536 | 39,298 | 62,885 | ||
| R | 21,237 | 32,113 | 53,350 | ||
| D | 17,692 | 16,968 | 35,625 | ||
| D | 13,006 | 10,850 | 23,913 | ||
| D | 14,035 | 9,445 | 23,562 | ||
| D | 12,249 | 6,079 | 18,590 | ||
| D | 11,061 | 6,152 | 17,727 | ||
| R | 4,976 | 6,635 | 11,653 | ||
| R | 2,594 | 3,559 | 8,439 | ||
| R | 2,455 | 3,392 | 5,847 | ||
| R | 2,079 | 2,616 | 4,922 | ||
| O | 693 | 353 | 1,804 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
13.1%
English
10.7%
Irish
9.2%
Italian
4.1%
American
3.3%
Polish
2.3%
Scottish
2.1%
African American
2.9%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 39.8 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$70,315
Pima County ranks near the middle of US counties.
Pima County$70,315
Arizona$79,964
United States$80,734
Pima County ranks near the middle of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
14.3%
Children face moderate poverty.
Children under 1818.6%
Working age (18–64)13.9%
Seniors (65+)8.8%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
74.3%
speak English only
Spanish20.8%
Other Indo-European1.9%
Asian & Pacific Islander1.8%
Other languages1.2%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 61.2% of residents not counted as adherents by any reporting body.
Home to the University of Arizona and a majority-minority population, Pima County has voted Democratic in every presidential race since 1996, with margins widening steadily as Tucson's metro core has grown relative to its rural fringe.
Pima County has leaned Democratic in recent presidential elections, reaching a Democratic margin of thirty-three points in 1936. Between 2020 and 2024 it moved four points toward the Republican candidate — part of the sharpest rightward shift recorded among any group of places in the country.
Its demographics describe the shift: a 59% non-Hispanic-white share, a median household income of $70,315, and a population of 1,060,490. The county's voting pattern over the last decade is most similar to that of Barnstable County and Davidson County.
Most similar counties
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Pima County, Arizona. Akashic. https://akashic.app/county/04019/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions
How did Pima County, Arizona vote in 2024?
In 2024, Pima County, Arizona voted Democratic by 15.1 points (D+15), carried by the Democratic candidate. Out of 515,027 votes cast, 292,450 went Democratic and 214,669 went Republican.
What is Pima County, Arizona's political typology?
Akashic places Pima County, Arizona in the "New American" typology — Communities where a large share of households speak a language other than English — multilingual, Democratic-leaning overall, yet the hardest-swinging bloc toward the Republican Party in 2024. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 15 times, Republican 13 times, and other 1 times.
When did Pima County, Arizona last vote Republican?
The most recent presidential election in which Pima County, Arizona voted Republican was 1988.
How many people live in Pima County, Arizona?
Pima County, Arizona has a population of 1,060,490 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Pima County, Arizona?
Median household income in Pima County, Arizona is $70,315 — below the national median of $80,734. The Arizona state median is $79,964.
What is the political history of Pima County, Arizona?
Akashic tracks 38 presidential elections in Pima County, Arizona from 1876 to 2024. Of those, 15 went Democratic and 13 went Republican. The county's typology — "New American" — captures where that record, its demographics, and its recent swing place it among American communities.