Buffalo, Wyoming Demographics & Population 2026
During the 2020–2024 ACS period, Buffalo, Wyoming had a total population of 4,572, the 20th largest city in Wyoming, with a median household income of $62,629, which is 18% lower than the state average. The poverty rate is 9.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Buffalo Quick Facts
How Buffalo Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 4,516 | 4,572 | +1.2% |
| Median household income | $61,813 | $62,629 | +1.3% |
| Median home value | $272,300 | $300,500 | +10.4% |
How Buffalo Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 32 | National average: 61
Education
Educational Attainment (Adults 25+)
Buffalo Rankings in Wyoming
Explore Wyoming Rankings
Other Cities in Johnson County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Kaycee | 280 | $45,000 | 8.2% | $183,300 |
Cities Similar to Buffalo
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Worland | 4,794 | $63,357 | $185,300 | 21.7% | 10.7% |
| South Greeley | 4,631 | $56,844 | $70,100 | 10.1% | 24.9% |
| Mills | 4,390 | $50,656 | $174,400 | 15.3% | 15.0% |
| Fox Farm-College | 4,019 | $48,516 | N/A | 12.3% | 15.6% |
| Wheatland | 3,550 | $58,750 | $259,200 | 18.1% | 9.2% |
Population Overview
Buffalo is a small community located in Wyoming, within Johnson County. The total population is 4,572. It ranks as the 20th most populous out of 192 Census-designated places in Wyoming.
Age Demographics
The median age in Buffalo is 48.0 years. This is 23% higher than the state median of 39.1 years. 12.8% 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 Buffalo is $62,629. This is 18% lower than the state median of $76,176. It is also 22% lower than the national median of $80,734. The poverty rate stands at 9.9%. This is 6% lower than the state poverty rate of 10.5%. The unemployment rate is 5.3%. This is 44% higher than the state rate of 3.7%. The median home value is $300,500. Housing costs are 3% lower than the state median of $309,700. The home-value-to-income ratio is 4.8x. 78.6% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 71.8%.
Race & Ethnicity
Buffalo has a predominantly White (non-Hispanic) population, comprising 92.0% of all residents. Hispanic or Latino residents account for 2.6%. The Black or African American population (0.0%) is well below the state average of 0.8%. The Hispanic or Latino population (2.6%) is well below the state average of 10.7%.
Education
29.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 2% 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 96.3%.
Data Sources & Methodology
All demographic data for Buffalo, Wyoming is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Wyoming state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 192 Census-designated places in Wyoming. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
Free data download: Get all Wyoming city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Buffalo, Wyoming?
Buffalo, Wyoming has a population of 4,572 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Buffalo, WY?
The median household income in Buffalo is $62,629, which is 22% lower than the national median of $80,734.
What is the poverty rate in Buffalo, WY?
The poverty rate in Buffalo is 9.9%. This means approximately 443 residents live below the federal poverty line.
What is the racial makeup of Buffalo, Wyoming?
Buffalo's population is 92.0% White, 0.0% Black, 2.6% Hispanic/Latino, and 1.0% Asian.
What is the median home value in Buffalo, WY?
The median home value in Buffalo is $300,500. The home-value-to-income ratio is 4.8x.
How educated is Buffalo, Wyoming?
29.9% of adults (25+) in Buffalo hold a bachelor's degree or higher, and 10.5% hold a graduate or professional degree.