City in Johnson County, Wyoming · 4.5 sq mi · 1,056 people per sq mi
About 4,800 people live in Buffalo. The typical household earns $62,629, and the median resident is 48 years old.
2026 projection
From 4,442 in 2020
Poverty rate 9.94%
Men 52.1 · Women 42.5
1890–2026
4,794
2026 projection
7.9% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1890–2026
4,794
2026 projection
7.9% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 4,794 | +61 | 1.29% |
|---|---|---|---|
| 2025 | 4,733 | +47 | 1.00% |
| 2024 | 4,686 | +29 | 0.62% |
| 2023 | 4,657 | +37 | 0.80% |
| 2022 | 4,620 | +83 | 1.83% |
| 2021 | 4,537 | +95 | 2.14% |
| 2020 | 4,442 | -186 | 4.02% |
| 2019 | 4,628 | +35 | 0.76% |
| 2018 | 4,593 | +31 | 0.68% |
| 2017 | 4,562 | -14 | 0.31% |
Showing 10 of 29 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 46 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 10 residents
50% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 50% | 55% | 44% |
| Never married | 25% | 25% | 26% |
| Divorced | 16% | 13% | 19% |
| Widowed | 9% | 7% | 11% |
| Separated | <1% | <1% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau