Utah State House District 31

State Legislative District Profile (Lower Chamber)

Overview

District ID
ut-hd-031
State
Utah
Chamber
Lower chamber
District Code
031
Land Area
7.48 sq mi
Water Area
0 sq mi

Boundary

Boundary of Utah State House District 31

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Salt Lake County7.47 sq mi100.0%1.0%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Taylorsville city4.31 sq mi57.6%39.7%
West Valley City city3.17 sq mi42.4%8.8%

Showing all 2 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
UT District 423,45152.1%2.9%57.6%
UT District 221,56347.9%2.6%42.4%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
16,800
Active Voters
13,189 (78.5%)

Party Registration

PartyVotersShare
Democratic4,19024.9%
Republican5,27631.4%
Unaffiliated6,06536.1%
Other parties1,2697.6%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20262,772 (16.5%)0 (0.0%)0 (0.0%)
2023–202411,041 (65.7%)0 (0.0%)0 (0.0%)
2021–20227,430 (44.2%)0 (0.0%)0 (0.0%)
2019–202010,399 (61.9%)0 (0.0%)0 (0.0%)
2017–20187,507 (44.7%)0 (0.0%)0 (0.0%)
2015–20168,612 (51.3%)0 (0.0%)0 (0.0%)
2013–20144,667 (27.8%)0 (0.0%)0 (0.0%)
2011–20125,618 (33.4%)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
41,699 (± 3,240)
Median Age
33.2
Median Household Income
$66,963 (± $5,135)
High School Graduate or Higher (age 25+)
84.2%
Bachelor's Degree or Higher (age 25+)
20.4%

Population by Age

GroupPeopleShare
Under 189,80823.5%
18 to 6427,35465.6%
65 and over4,53710.9%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)13,51632.4%
White, not Hispanic20,67349.6%
Black, not Hispanic1,2943.1%
Asian, not Hispanic2,4405.9%
American Indian / Alaska Native, not Hispanic3790.9%
Native Hawaiian / Pacific Islander, not Hispanic1,4863.6%
Some other race, not Hispanic1440.3%
Two or more races, not Hispanic1,7674.2%

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
35,995
Citizen Voting Age Population (CVAP)
26,561

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic27,35076.0%
Hispanic8,64424.0%
White20,69057.5%
Black1,2623.5%
Asian2,1646.0%
American Indian / Alaska Native3801.1%
Native Hawaiian / Pacific Islander1,3723.8%
Two or More Races5341.5%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic20,95578.9%
Hispanic5,60221.1%
White16,93263.7%
Black8383.2%
Asian1,9357.3%
American Indian / Alaska Native5141.9%
Native Hawaiian / Pacific Islander5822.2%
Two or More Races1570.6%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).