County · Wyoming
Platte County, Wyoming
Platte County, Wyoming. Platte County had 8,634 residents in 2025 by the Census Bureau's estimate, up 0.4% since 2020, slower than Wyoming (+2.1%). It holds 12 places (5 cities, villages and boroughs and 7 census-designated) and 3 census tracts. GEOID 56031.
Residents, July 2025 estimate
8,634
Census Bureau estimate (no margin published)
2020 Census count: 8,605 · ACS 2020-2024: 8,612
Median household income
$67,718
±$6,763 (90% margin)
Wyoming: $76,176
Median home value
$297,900
±$33,437 (90% margin)
Wyoming: $309,700
Median gross rent
$781
±$362 (90% margin)
Wyoming: $992
How many people live in Platte County, and is it growing?
The 2020 Census counted 8,605 residents in Platte County. The Census Bureau estimates 8,634 for July 1, 2025, up 0.4% since 2020, slower than Wyoming (+2.1%). The 2020-2024 American Community Survey puts the population at 8,612 over 2,081 square miles of land.
| Measure | Platte County | Wyoming | Change since 2015-2019 |
|---|---|---|---|
| Total population | 8,612 | 582,397 | +30 |
| Households | 3,848±219 | 243,318 | no clear change |
| Average household size | 2.21±0.13 | 2.34 | no clear change |
| Housing units | 4,688±13 | 277,141 | −156 |
Platte County's population since 2000
From 8,807 in 2000 to 8,634 in 2025: down 2.0%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Platte County?
Platte County holds 12 places: 5 cities, villages and boroughs (incorporated places) and 7 census-designated places. The largest is Wheatland with 3,516 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Wheatland | 3,588 | $58,750 |
|---|---|---|
| Guernsey | 1,130 | $50,114 |
| GlendoGEOID 5632290 | 237 | not published |
| ChugwaterGEOID 5614165 | 175 | $68,475 |
| Y-O RanchGEOID 5686737 | 172 | $109,773 |
| ChugcreekGEOID 5614097 | 154 | $175,357 |
| Lakeview NorthGEOID 5644252 | 97 | $235,417 |
| WhitingGEOID 5683100 | 94 | not published |
| SlaterGEOID 5671295 | 78 | not published |
| HartvilleGEOID 5635625 | 64 | $62,679 |
| Westview CircleGEOID 5682967 | 41 | not published |
| El RanchoGEOID 5624350 | 18 | not published |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Platte County?
The median resident of Platte County is 47.0 years old; 20.2% are under 18 and 27.1% are 65 or older. The largest group is non-Hispanic white residents at 85.0%, then Hispanic or Latino residents (of any race) at 8.8%.
| Measure | Platte County | Wyoming | Change since 2015-2019 |
|---|---|---|---|
| Median age | 47.0±3.3 | 39.1 | no clear change |
| Under 18 years | 20.2%±2.1 pts | 22.5% | – |
| 65 years and over | 27.1%±1.0 pts | 18.5% | – |
| Hispanic or Latino (any race) | 8.8% | 10.7% | +0.7 pts |
| White alone, not Hispanic | 85.0%±2.0 pts | 81.4% | −3.5 pts |
| Black or African American alone, not Hispanic | 0.3%±0.4 pts | 0.8% | – |
| Asian alone, not Hispanic | 0.0%±0.4 pts | 0.8% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.4%±0.3 pts | 1.6% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.4%±0.5 pts | 0.1% | – |
| Two or more races, not Hispanic | 4.9%±2.2 pts | 4.0% | – |
| Some other race alone, not Hispanic | 0.1%±0.2 pts | 0.7% | – |
| Born outside the United States | 0.6%±0.7 pts | 3.5% | – |
| Speak a language other than English at home (age 5+) | 7.4%±3.2 pts | 6.8% | – |
| Civilian veterans (age 18+) | 9.1%±2.2 pts | 9.0% | – |
| With a disability | 16.8%±2.7 pts | 14.1% | – |
| No health insurance coverage | 21.5%±3.7 pts | 11.3% | +10.2 pts |
| High school graduate or higher (age 25+) | 92.9%±2.7 pts | 94.2% | – |
| Bachelor's degree or higher (age 25+) | 20.7%±3.4 pts | 30.6% | no clear change |
| Graduate or professional degree (age 25+) | 7.4%±2.0 pts | 11.5% | – |
| Moved from another state in the past year | 1.1%±0.7 pts | 4.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Platte County earn?
Half of Platte County's 3,848 households earn less than $67,718 a year (±$6,763), against $76,176 in Wyoming. In 2015-2019 it was $62,646 in 2024 dollars; the margins of error cannot tell the two periods apart. 7.7% of residents live below the poverty line.
| Measure | Platte County | Wyoming | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $67,718±$6,763 | $76,176 | no clear change |
| Mean household income | $85,724±$7,258 | $100,641 | – |
| Per capita income | $39,225±$3,157 | $42,668 | no clear change |
| People below the poverty line | 7.7%±2.6 pts | 10.5% | −6.2 pts |
| Children under 18 below the poverty line | 2.2%±1.8 pts | 11.7% | – |
| Households receiving SNAP | 4.9%±2.4 pts | 5.2% | – |
| Households with a broadband subscription | 80.7%±4.7 pts | 89.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Platte County?
Owners occupy 76.1% of Platte County's occupied homes and renters 23.9%. The median owner-occupied home is valued at $297,900 by its owner (±$33,437). The median renter pays $781 a month including utilities, and 32.0% of renters pay 35% or more of their income on rent.
| Measure | Platte County | Wyoming | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $297,900±$33,437 | $309,700 | +$65,914 |
| Median gross rent | $781±$362 | $992 | no clear change |
| Renters paying 35% or more of income on rent | 32.0%±19.1 pts | 33.8% | no clear change |
| Median monthly owner costs, with a mortgage | $1,791±$115 | $1,754 | – |
| Owner-occupied homes | 76.1%±5.8 pts | 71.8% | no clear change |
| Housing units | 4,688±13 | 277,141 | −156 |
| Homeowner vacancy rate | 0.0%±1.3 pts | 0.9% | – |
| Rental vacancy rate | 5.8%±6.7 pts | 6.0% | – |
| Single-family detached homes | 68.7%±5.3 pts | 67.8% | – |
| Mobile homes | 21.4%±5.0 pts | 11.5% | – |
| Built 2020 or later | 0.9%±1.0 pts | 1.5% | – |
| Built 1939 or earlier | 15.2%±3.5 pts | 10.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Platte County building?
Builders took permits for 34 new housing units across Platte County in 2025 (34 single-family), 3.9 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Platte County get to work?
77.9% of Platte County's workers drive alone and 8.2% work from home. The average trip to work takes 15.8 minutes.
| Measure | Platte County | Wyoming | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 52.4%±3.2 pts | 65.1% | – |
| Unemployment rate | 4.6%±3.4 pts | 3.7% | – |
| Drove alone to work | 77.9%±5.4 pts | 74.8% | – |
| Carpooled | 7.7%±3.3 pts | 9.4% | – |
| Public transportation | 0.1%±0.2 pts | 0.9% | – |
| Walked | 3.9%±2.4 pts | 3.6% | – |
| Worked from home | 8.2%±3.1 pts | 9.4% | no clear change |
| Mean travel time to work | 15.8 min±2.9 | 18.8 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Platte County's census tracts?
Platte County is divided into 3 census tracts. Among those with a reliable estimate, median household income runs from $64,792 (Tract 9594.01) to $72,350 (Tract 9591).
| Tract 959156031959100 | 2,407±295 | $72,350 |
|---|---|---|
| Tract 9594.0156031959401 | 4,563±317 | $64,792 |
| Tract 9594.0256031959402 | 1,642±215 | $68,432 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Platte County compare with Wyoming's other counties?
| Measure | Rank |
|---|---|
| Population | 18th of 23 |
| Growth 2020-2025 | 16th of 23 |
| Residents per square mile | 12th of 23 |
| Median household income | 15th of 23 |
| Median home value | 9th of 23 |
| Median gross rent | 19th of 23 |
| Poverty rate | 19th of 23 |
| Bachelor's degree or higher | 21st of 23 |
| Median age | 3rd of 23 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Platte County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.