Overview
- District ID
- az-sd-004
- State
- Arizona
- Chamber
- Upper chamber (state senate)
- District Code
- 004
- Land Area
- 100.5 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 | 100.53 sq mi | 100.0% | 1.1% |
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 1 | 244,298 | 100.0% | 30.7% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 194,246
- Active Voters
- 168,749 (86.9%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 50,142 | 25.8% |
| Republican | 75,123 | 38.7% |
| Unaffiliated | 0 | 0.0% |
| Other parties | 10,184 | 5.2% |
| No party recorded | 58,797 | 30.3% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 151,211 (77.8%) | 27,825 (14.3%) | 41,149 (21.2%) |
| 2021–2022 | 118,233 (60.9%) | 26,461 (13.6%) | 40,569 (20.9%) |
| 2019–2020 | 134,693 (69.3%) | 323 (0.2%) | 275 (0.1%) |
| 2017–2018 | 97,470 (50.2%) | 16,283 (8.4%) | 25,443 (13.1%) |
| 2015–2016 | 99,002 (51.0%) | 9,713 (5.0%) | 21,642 (11.1%) |
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
- 246,417 (± 4,277)
- Median Age
- 45.3
- Median Household Income
- $110,119 (± $2,716)
- High School Graduate or Higher (age 25+)
- 97.0%
- Bachelor's Degree or Higher (age 25+)
- 60.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 41,869 | 17.0% |
| 18 to 64 | 147,915 | 60.0% |
| 65 and over | 56,633 | 23.0% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 28,495 | 11.6% |
| White, not Hispanic | 184,907 | 75.0% |
| Black, not Hispanic | 5,224 | 2.1% |
| Asian, not Hispanic | 14,224 | 5.8% |
| American Indian / Alaska Native, not Hispanic | 1,259 | 0.5% |
| Native Hawaiian / Pacific Islander, not Hispanic | 548 | 0.2% |
| Some other race, not Hispanic | 1,171 | 0.5% |
| Two or more races, not Hispanic | 10,589 | 4.3% |
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
- 235,320
- Citizen Voting Age Population (CVAP)
- 194,195
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 209,277 | 88.9% |
| Hispanic | 26,048 | 11.1% |
| White | 183,928 | 78.2% |
| Black | 5,165 | 2.2% |
| Asian | 9,888 | 4.2% |
| American Indian / Alaska Native | 1,259 | 0.5% |
| Native Hawaiian / Pacific Islander | 547 | 0.2% |
| Two or More Races | 751 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 175,390 | 90.3% |
| Hispanic | 18,801 | 9.7% |
| White | 158,299 | 81.5% |
| Black | 4,846 | 2.5% |
| Asian | 9,356 | 4.8% |
| American Indian / Alaska Native | 2,037 | 1.0% |
| Native Hawaiian / Pacific Islander | 429 | 0.2% |
| Two or More Races | 455 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
