Wyoming State House District 18

State Legislative District Profile (Lower Chamber)

Overview

District ID
wy-hd-018
State
Wyoming
Chamber
Lower chamber
District Code
018
Land Area
4,858 sq mi
Water Area
40.6 sq mi

Boundary

Boundary of Wyoming State House District 18

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Lincoln County2344.88 sq mi48.3%57.5%
Sweetwater County2006.03 sq mi41.3%19.2%
Uinta County507.05 sq mi10.4%24.4%

Showing all 3 counties

Places

PlaceOverlapShare of district landShare of place land
North Rock Springs CDP12.74 sq mi0.3%86.4%
Kemmerer city7.80 sq mi0.2%97.8%
Green River city6.76 sq mi0.1%48.9%
McKinnon CDP5.85 sq mi0.1%100.0%
James Town CDP3.20 sq mi0.1%99.6%
Washam CDP3.11 sq mi0.1%100.0%
Taylor CDP2.97 sq mi0.1%100.0%
Fontenelle CDP2.94 sq mi0.1%84.5%
Little America CDP2.71 sq mi0.1%100.0%
Granger town2.59 sq mi0.1%100.0%
Bear River town1.92 sq mi<0.1%92.9%
Cokeville town1.30 sq mi<0.1%100.0%
Diamondville town1.17 sq mi<0.1%100.0%
Evanston city1.05 sq mi<0.1%10.3%
Opal town0.39 sq mi<0.1%86.2%
Oakley CDP0.18 sq mi<0.1%98.8%

Showing all 16 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
WY At-Large8,886100.0%1.5%100.0%

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

Voters

Registered Voters
4,235
Active Voters
4,235 (100.0%)

Party Registration

PartyVotersShare
Democratic3267.7%
Republican3,48882.4%
Unaffiliated3057.2%
Other parties1162.7%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2019–20203,308 (78.1%)0 (0.0%)0 (0.0%)
2017–20182,402 (56.7%)0 (0.0%)0 (0.0%)
2015–20162,785 (65.8%)0 (0.0%)0 (0.0%)
2013–20141,919 (45.3%)0 (0.0%)0 (0.0%)
2011–20122,403 (56.7%)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 11/07/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Population
11,096 (± 811)
Median Age
37.9
Median Household Income
$85,268 (± $7,003)
High School Graduate or Higher (age 25+)
94.2%
Bachelor's Degree or Higher (age 25+)
22.3%

Population by Age

GroupPeopleShare
Under 182,93526.5%
18 to 645,94053.5%
65 and over2,22120.0%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)8247.4%
White, not Hispanic9,70387.4%
Black, not Hispanic220.2%
Asian, not Hispanic220.2%
American Indian / Alaska Native, not Hispanic230.2%
Native Hawaiian / Pacific Islander, not Hispanic20.0%
Some other race, not Hispanic540.5%
Two or more races, not Hispanic4464.0%

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
10,872
Citizen Voting Age Population (CVAP)
7,962

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic10,23794.2%
Hispanic6295.8%
White9,85890.7%
Black250.2%
Asian200.2%
American Indian / Alaska Native230.2%
Native Hawaiian / Pacific Islander00.0%
Two or More Races740.7%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic7,64196.0%
Hispanic3214.0%
White7,37292.6%
Black340.4%
Asian430.5%
American Indian / Alaska Native1592.0%
Native Hawaiian / Pacific Islander00.0%
Two or More Races390.5%

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