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Platte County, Wyoming Demographics 2026

Platte County, Wyoming has a population of 8,612, the 18th most populous county in Wyoming. The median household income is $67,718 and the median home value is $297,900. The poverty rate is 7.7%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Platte County Quick Facts

Population 8,612
Median Household Income $67,718
Median Home Value $297,900
Poverty Rate 7.7%
Unemployment Rate 4.6%
Median Age 47.0 years
Homeownership Rate 76.1%
Affordability Ratio 4.4x
Bachelor's Degree+ 20.7%
High School Graduation 92.9%
Cities/Places 12
Population 8,612 18th of 23
Median Income $67,718 11% lower than state
Poverty Rate 7.7%
Unemployment 4.6%

How Platte County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population8,6068,612+0.1%
Median household income$66,299$67,718+2.1%
Median home value$248,900$297,900+19.7%

Economy & Housing

Household Income Distribution

Under $25K 17.6%
$25K-$50K 18.7%
$50K-$100K 30.2%
$100K+ 33.5%
Detailed income brackets
Under $10K
7.6%
$10K-$15K
3.6%
$15K-$20K
3.8%
$20K-$25K
2.6%
$25K-$30K
4.3%
$30K-$35K
3.7%
$35K-$40K
2.3%
$40K-$45K
4.9%
$45K-$50K
3.5%
$50K-$60K
7.5%
$60K-$75K
11.9%
$75K-$100K
10.9%
$100K-$125K
12.4%
$125K-$150K
4.3%
$150K-$200K
9.4%
$200K+
7.3%

Employment

4.6% Unemployment Rate State: 3.7%|National: 5.2%
52.4% Labor Force Participation

Housing Overview

Owner 76.1%
Renter 23.9%
Affordability Index Moderate
4.4x home value to income ratio
Median gross rent $781/mo 13.8% of median household income annually

People & Demographics

Diversity Index

27out of 100
Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 32 | National average: 61

Education

Cities & Places in Platte County

CityPopulationMedian IncomePovertyHome Value
Wheatland3,550$58,7509.2%$259,200
Guernsey754$50,11410.1%$224,300
Glendo243N/A16.1%$317,300
Chugwater228$68,4758.3%$295,000
Chugcreek160$175,35713.1%$297,400
Y-O Ranch120$109,7730.0%N/A
Westview Circle117N/A0.0%N/A
Lakeview North100$235,4170.0%N/A
Slater99N/A70.7%N/A
Hartville88$62,6790.0%$245,000
Whiting58N/A53.4%N/A
El Rancho47N/A21.3%N/A

Population Overview

Platte County is located in Wyoming with a total population of 8,612. It is the 18th most populous county out of 23 in Wyoming. The county encompasses 12 Census-designated places.

Age Demographics

The median age in Platte County is 47.0 years. This is 20% higher than the state median of 39.1 years. 11.7% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Platte County is $67,718. This is 11% lower than the state median of $76,176. It is also 16% lower than the national median of $80,734. The poverty rate stands at 7.7%. This is 26% lower than the state poverty rate of 10.5%. The unemployment rate is 4.6%. This is 23% higher than the state rate of 3.7%. The median home value is $297,900. Housing costs are 4% lower than the state median of $309,700. The home-value-to-income ratio is 4.4x. 76.1% of occupied housing units are owner-occupied. This homeownership rate is 6% higher than the state average of 71.8%.

Race & Ethnicity

The largest racial or ethnic group in Platte County is White (non-Hispanic), making up 85.0% of the population. Hispanic or Latino residents account for 8.8%. The Black or African American population (0.3%) is well below the state average of 0.8%.

Education

20.7% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 32% lower than the state rate of 30.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.9%.

Data Sources & Methodology

All figures for Platte County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Wyoming and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Platte County, Wyoming?

Platte County has a population of 8,612, making it the 18th most populous county in Wyoming.

What is the median income in Platte County?

The median household income in Platte County is $67,718 with a poverty rate of 7.7%.

How many cities are in Platte County, Wyoming?

Platte County contains 12 Census-designated places.