Platte County, Wyoming Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Platte 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.
-
B
Health Around averageAmong the 5 least healthy counties in Wyoming
-
B
Income Around average
-
D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Platte County | Wyoming Avg | U.S. Average |
|---|---|---|---|
| Population | 8,612 | 582,314 | 337,468,954 |
| Population density (per sq mi) | 4.1 | 5.9 | 86.4 |
| Population growth (%/yr) | -0.18% | -0.02% | 0.59% |
| Median age | 48.4 | 37.6 | 37.3 |
| Households | 3,848 | 243,246 | 130,235,071 |
Population in Platte County grew by 3.2% from 2009 to 2024, reaching 8,612 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Platte County is Boomers, aged 61–79, at 24.3% of residents. That is 6.4 points above Wyoming as a whole.
- Gen Z 13–28 1,445 16.8% -4.5 pts
- Millennials 29–44 1,564 18.2% -3.1 pts
- Gen X 45–60 1,941 22.5% +2.9 pts
- Boomers 61–79 2,091 24.3% +6.4 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 49.1% of the people living in Platte County and men 50.9%.
- Women 49.1% Wyoming 49.1%
- Men 50.9% Wyoming 50.9%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Platte County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Platte County has a the economy index of B, which means it is quite prosperous.
| Metric | Platte County | Wyoming Avg | U.S. Average |
|---|---|---|---|
| Median household income | $67,844 | $76,390 | $80,455 |
| Income growth (%/yr) | 6.69% | 3.23% | 4.80% |
| Unemployment rate | 4.6% | 3.7% | 5.2% |
The median household income in Platte County is about 11% lower than in Wyoming.
Housing
| Metric | Platte County | Wyoming Avg | U.S. Average |
|---|---|---|---|
| Median home price | $56,071 | $262,084 | $248,835 |
| Median rent | $780 | $991 | $1,407 |
| Homeownership rate | 76.1% | 71.8% | 65.2% |
The median home price in Platte County is about 6.0 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $780 per month for that long.
Commute Time & Mobility
Commuters in Platte County spend about 17 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 71 hours, about 3.0 full days, spent commuting.
| Metric | Platte County | Wyoming Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 8.5 | 13.2 | 22.4 |
| Round-trip commute (min) | 17.0 | 26.5 | 44.8 |
| Yearly time spent (hours) | 71 | 110 | 187 |
| Estimated yearly cost | $2,195 | $3,422 | $5,790 |
| Work from home | 8.2% | 9.4% | 15.0% |
| Highway traffic (vehicles/day) | 1,448 | 1,868 | 8,813 |
| Local road traffic (vehicles/day) | 154 | 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 Platte County is 8 minutes, shorter 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
Platte County has a education index of D, which means it is barely educated.
| Metric | Platte County | Wyoming Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 22.6% | 26.5% | 31.6% |
| Average household size | 2.21 | 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
Platte County has a health index of B, which means it is quite healthy.
| Metric | Platte County | Wyoming Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 79.0 | 80.3 | 78.3 |
| Self-rated poor health | 14.8% | 12.7% | 16.3% |
| Smokers | 19.1% | 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).
Platte County, WY Compared With Nearby Counties
How Platte County, WY compares with the 2 counties closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Platte County, WY | 8,612 | $67,844 #2/3 | $56,071 #2/3 | 8.5 min #1/3 |
| Laramie County, WY | 101,060 | $80,795 | $328,512 | 15.0 min |
| Albany County, WY | 38,249 | $61,953 | $18,194 | 11.2 min |
Frequently Asked Questions
Common questions about Platte County, Wyoming.
How big is Platte County, Wyoming by population?
About 8,612 people live in Platte County, Wyoming, in 3,848 households of 2.2 people on average. The median age is 48.4, so residents are older than the U.S. median of 37.3 by about 11 years.
Is Platte County, Wyoming urban or rural?
Averaged over its land area, Platte 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 Platte County, Wyoming an affordable place to live?
The median home costs 0.8 times the median household income ($56,071 against $67,844), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $780 a month takes about 14% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How common is a college degree in Platte County, Wyoming?
22.6% of adults in Platte County, Wyoming hold a bachelor's degree or higher (about 1 in 4), well below the U.S. share of 31.6%.
Analyze any area in the US
Get local demographics for any address, aggregated by drive time or radius, on the interactive map.
Explore the map →