Overview
- District ID
- az-sd-012
- State
- Arizona
- Chamber
- Upper chamber (state senate)
- District Code
- 012
- Land Area
- 128.7 sq mi
- Water Area
- 0.55 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
| County | Overlap | Share of district land | Share of county land |
|---|
| Maricopa County | 128.73 sq mi | 100.0% | 1.4% |
Showing all 1 county
Places
Showing all 3 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| AZ District 4 | 238,715 | 99.9% | 30.0% | 46.1% |
| AZ District 2 | 180 | 0.1% | <0.1% | 53.9% |
| AZ District 3 | 28 | <0.1% | <0.1% | <0.1% |
| AZ District 5 | 0 | 0.0% | 0.0% | <0.1% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 170,342
- Active Voters
- 146,891 (86.2%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 54,561 | 32.0% |
| Republican | 49,676 | 29.2% |
| Unaffiliated | 0 | 0.0% |
| Other parties | 9,032 | 5.3% |
| No party recorded | 57,073 | 33.5% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 126,167 (74.1%) | 24,988 (14.7%) | 26,024 (15.3%) |
| 2021–2022 | 96,232 (56.5%) | 26,246 (15.4%) | 25,550 (15.0%) |
| 2019–2020 | 116,142 (68.2%) | 427 (0.3%) | 231 (0.1%) |
| 2017–2018 | 81,072 (47.6%) | 16,589 (9.7%) | 16,471 (9.7%) |
| 2015–2016 | 82,716 (48.6%) | 9,839 (5.8%) | 13,927 (8.2%) |
Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.
Browse the voter list for this district (premium access; sign-in required)
Source: Civitech voter file snapshot as of 01/05/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 243,790 (± 4,351)
- Median Age
- 38.3
- Median Household Income
- $103,398 (± $2,196)
- High School Graduate or Higher (age 25+)
- 95.9%
- Bachelor's Degree or Higher (age 25+)
- 50.9%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 49,286 | 20.2% |
| 18 to 64 | 158,553 | 65.0% |
| 65 and over | 35,951 | 14.7% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 47,027 | 19.3% |
| White, not Hispanic | 144,566 | 59.3% |
| Black, not Hispanic | 12,097 | 5.0% |
| Asian, not Hispanic | 20,738 | 8.5% |
| American Indian / Alaska Native, not Hispanic | 4,342 | 1.8% |
| Native Hawaiian / Pacific Islander, not Hispanic | 775 | 0.3% |
| Some other race, not Hispanic | 1,543 | 0.6% |
| Two or more races, not Hispanic | 12,702 | 5.2% |
Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.
Citizen Voting Age Population
- Total Citizen Population
- 230,883
- Citizen Voting Age Population (CVAP)
- 182,716
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 186,952 | 81.0% |
| Hispanic | 43,933 | 19.0% |
| White | 145,315 | 62.9% |
| Black | 11,792 | 5.1% |
| Asian | 14,485 | 6.3% |
| American Indian / Alaska Native | 4,294 | 1.9% |
| Native Hawaiian / Pacific Islander | 675 | 0.3% |
| Two or More Races | 1,844 | 0.8% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 152,179 | 83.3% |
| Hispanic | 30,538 | 16.7% |
| White | 122,069 | 66.8% |
| Black | 11,291 | 6.2% |
| Asian | 13,537 | 7.4% |
| American Indian / Alaska Native | 4,338 | 2.4% |
| Native Hawaiian / Pacific Islander | 396 | 0.2% |
| Two or More Races | 724 | 0.4% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
