Overview
- District ID
- ut-sd-018
- State
- Utah
- Chamber
- Upper chamber (state senate)
- District Code
- 018
- Land Area
- 64.2 sq mi
- Water Area
- 0.02 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 2 counties
Places
Showing all 7 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 |
|---|
| UT District 4 | 108,500 | 94.7% | 13.3% | 97.6% |
| UT District 3 | 6,079 | 5.3% | 0.7% | 2.4% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 63,970
- Active Voters
- 55,097 (86.1%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 7,062 | 11.0% |
| Republican | 33,878 | 53.0% |
| Unaffiliated | 18,931 | 29.6% |
| Other parties | 4,099 | 6.4% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 19,440 (30.4%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 47,552 (74.3%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 32,431 (50.7%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 42,345 (66.2%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 29,304 (45.8%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 34,565 (54.0%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 18,996 (29.7%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 23,998 (37.5%) | 0 (0.0%) | 0 (0.0%) |
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 01/19/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 120,938 (± 2,298)
- Median Age
- 31.1
- Median Household Income
- $121,753 (± $3,530)
- High School Graduate or Higher (age 25+)
- 95.5%
- Bachelor's Degree or Higher (age 25+)
- 40.6%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 38,914 | 32.2% |
| 18 to 64 | 73,385 | 60.7% |
| 65 and over | 8,639 | 7.1% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 14,055 | 11.6% |
| White, not Hispanic | 95,846 | 79.3% |
| Black, not Hispanic | 719 | 0.6% |
| Asian, not Hispanic | 2,882 | 2.4% |
| American Indian / Alaska Native, not Hispanic | 433 | 0.4% |
| Native Hawaiian / Pacific Islander, not Hispanic | 773 | 0.6% |
| Some other race, not Hispanic | 684 | 0.6% |
| Two or more races, not Hispanic | 5,546 | 4.6% |
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
- 115,039
- Citizen Voting Age Population (CVAP)
- 76,781
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 104,062 | 90.5% |
| Hispanic | 10,982 | 9.5% |
| White | 97,151 | 84.5% |
| Black | 645 | 0.6% |
| Asian | 1,529 | 1.3% |
| American Indian / Alaska Native | 430 | 0.4% |
| Native Hawaiian / Pacific Islander | 467 | 0.4% |
| Two or More Races | 1,688 | 1.5% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 70,192 | 91.4% |
| Hispanic | 6,594 | 8.6% |
| White | 66,138 | 86.1% |
| Black | 853 | 1.1% |
| Asian | 1,546 | 2.0% |
| American Indian / Alaska Native | 478 | 0.6% |
| Native Hawaiian / Pacific Islander | 405 | 0.5% |
| Two or More Races | 777 | 1.0% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
