Buffalo Flag

Buffalo

County:
Johnson County
County Seat:
Yes
Area (mi²):
4.54
State:
Wyoming

Buffalo is a city located in Johnson County, Wyoming. Buffalo has a 2026 population of 4,769. It is also the county seat of Johnson County. Buffalo is currently growing at a rate of 1.21% annually and its population has increased by 7.73% since the most recent census, which recorded a population of 4,427 in 2020.

The median household income in Buffalo is $62,629 with a poverty rate of 9.94%. The median age in Buffalo is 48 years: 52.1 years for males, and 42.5 years for females. For every 100 females there are 93.5 males.

4.8K
Total Population
1,050
Density (mi²)
57 1.21%
Growth

Buffalo Population

Buffalo Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20264,769571.21%
20254,712571.22%
20244,655170.37%
20234,638360.78%
20224,602821.81%
20214,5201062.4%
20204,427-201-4.34%
20194,628350.76%
20184,593310.68%
20174,562-14-0.31%
20164,576-60-1.29%
20154,636260.56%
20144,610-26-0.56%
20134,63640.09%
20124,632-2-0.04%
20114,634420.91%
20104,59270.15%
20003,90059818.11%
19903,302-497-13.08%
19803,79940511.93%
19703,39448716.75%
19602,9072338.71%
19502,67400%

Median Age

Overall: 48 years
Female: 42.5 years
Male: 52.1 years

Buffalo Adults

There are 3,769 adults, (1,434 of whom are seniors) in Buffalo.

Sex Ratio

Female: 2,363 (51.7%)
Male: 2,209 (48.3%)

Demographics

The racial composition of Buffalo includes 93.7% White, and smaller percentages for Two or more races, other race, Asian, Native American, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White4,28493.7%
Two or more races1192.6%
Other race831.82%
Asian471.03%
Native American380.83%
Black or African American10.02%
Race
Population ↓
Percentage (of total)
White761.66%
Other race390.85%
Two or more races40.09%
Race
Population ↓
Percentage (of total)
White4,20892.04%
Two or more races1152.52%
Asian471.03%
Other race440.96%
Native American380.83%
Black or African American10.02%

Buffalo Marital Status

Economics and Income Statistics

Buffalo 's average per capita income is $46,875. Household income levels show a median of $62,629. The poverty rate stands at 9.94%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$73,173-
Families$70,120$75,940
Households$62,629$74,662
Non Families$54,918$72,471

$46,875

Average Income

$62,629

Median Household Income

9.94%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)