Sweetwater County, Wyoming Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Sweetwater County, WY Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around average
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B
Income Around averageAmong the top 5 wealthiest counties in Wyoming
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D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Sweetwater County | Wyoming Avg | U.S. Average |
|---|---|---|---|
| Population | 41,542 | 582,314 | 337,468,954 |
| Population density (per sq mi) | 4.0 | 5.9 | 86.4 |
| Population growth (%/yr) | -0.94% | -0.02% | 0.59% |
| Median age | 35.2 | 37.6 | 37.3 |
| Households | 17,502 | 243,246 | 130,235,071 |
Population in Sweetwater County grew by 6.1% from 2009 to 2024, reaching 41,542 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Sweetwater County is Millennials, aged 29–44, at 22.6% of residents. That is 1.3 points above Wyoming as a whole.
- Gen Z 13–28 9,096 21.9% +0.6 pts
- Millennials 29–44 9,370 22.6% +1.3 pts
- Gen X 45–60 8,564 20.6% +0.9 pts
- Boomers 61–79 5,874 14.1% -3.7 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Wyoming, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 48.8% of the people living in Sweetwater County and men 51.2%.
- Women 48.8% Wyoming 49.1%
- Men 51.2% Wyoming 50.9%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Sweetwater County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Sweetwater County has a the economy index of B, which means it is quite prosperous.
| Metric | Sweetwater County | Wyoming Avg | U.S. Average |
|---|---|---|---|
| Median household income | $75,054 | $76,390 | $80,455 |
| Income growth (%/yr) | 1.15% | 3.23% | 4.80% |
| Unemployment rate | 5.6% | 3.7% | 5.2% |
The median household income in Sweetwater County is about 2% lower than in Wyoming.
Housing
| Metric | Sweetwater County | Wyoming Avg | U.S. Average |
|---|---|---|---|
| Median home price | $274,568 | $262,084 | $248,835 |
| Median rent | $911 | $991 | $1,407 |
| Homeownership rate | 74.6% | 71.8% | 65.2% |
The median home price in Sweetwater County is about 25.1 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $911 per month for that long.
Commute Time & Mobility
Commuters in Sweetwater County spend about 31 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 130 hours, about 5.4 full days, spent commuting.
| Metric | Sweetwater County | Wyoming Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 15.6 | 13.2 | 22.4 |
| Round-trip commute (min) | 31.2 | 26.5 | 44.8 |
| Yearly time spent (hours) | 130 | 110 | 187 |
| Estimated yearly cost | $4,030 | $3,422 | $5,790 |
| Work from home | 4.4% | 9.4% | 15.0% |
| Highway traffic (vehicles/day) | 2,795 | 1,868 | 8,813 |
| Local road traffic (vehicles/day) | 323 | 263 | 1,355 |
Fastest commutes among counties in
Wyoming:
Niobrara County (7.6 min), Washakie County (7.9 min), Hot Springs County (8.1 min).
Slowest:
Sublette County (20.5 min), Crook County (17.5 min), Lincoln County (17.3 min).
The average commute time in Sweetwater County is 16 minutes, longer than the 13 minutes in Wyoming.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Sweetwater County has a education index of D, which means it is barely educated.
| Metric | Sweetwater County | Wyoming Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 18.2% | 26.5% | 31.6% |
| Average household size | 2.34 | 2.34 | 2.53 |
Highest education index among counties in
Wyoming:
Teton County (0.4), Albany County (0.4), Sheridan County (0.3).
Lowest:
Niobrara County (0.2), Uinta County (0.2), Converse County (0.2).
Health
Sweetwater County has a health index of B, which means it is quite healthy.
| Metric | Sweetwater County | Wyoming Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 79.2 | 80.3 | 78.3 |
| Self-rated poor health | 11.9% | 12.7% | 16.3% |
| Smokers | 17.9% | 18.6% | 19.0% |
Highest health index among counties in
Wyoming:
Teton County (0.8), Albany County (0.8), Crook County (0.8).
Lowest:
Niobrara County (0.8), Hot Springs County (0.8), Fremont County (0.8).
Sweetwater County, WY Compared With Nearby Counties
How Sweetwater County, WY compares with the 2 counties closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Sweetwater County, WY | 41,542 | $75,054 #1/3 | $274,568 #3/3 | 15.6 min #3/3 |
| Fremont County, WY | 39,456 | $66,338 | $286,344 | 13.1 min |
| Uintah County, UT | 37,051 | $73,315 | $309,167 | 13.0 min |
Frequently Asked Questions
Common questions about Sweetwater County, Wyoming.
What is the population of Sweetwater County, Wyoming?
About 41,542 people live in Sweetwater County, Wyoming, in 17,502 households of 2.3 people on average. The median age is 35.2, so residents are younger than the U.S. median of 37.3 by about 2 years.
Is Sweetwater County, Wyoming urban or rural?
Averaged over its land area, Sweetwater County, Wyoming has 4 people per square mile, a density typical of rural areas. That is about 5% of the U.S. average of 86.
Is Sweetwater County, Wyoming an affordable place to live?
The median home costs 3.7 times the median household income ($274,568 against $75,054), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $911 a month takes about 15% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How educated are people in Sweetwater County, Wyoming?
18.2% of adults in Sweetwater County, Wyoming hold a bachelor's degree or higher (about 1 in 5), well below the U.S. share of 31.6%.
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