City in Kay County, Oklahoma · 5.6 sq mi · 1,079 people per sq mi
6,021 people live in Blackwell. The typical household earns $53,435, and the median resident is 38.9 years old.
2026 projection
From 6,085 in 2020
Poverty rate 14.6%
Men 34.3 · Women 46.2
1900–2026
6,021
2026 projection
1.1% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1900–2026
6,021
2026 projection
1.1% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 6,021 | -8 | 0.13% |
|---|---|---|---|
| 2025 | 6,029 | -10 | 0.17% |
| 2024 | 6,039 | -42 | 0.69% |
| 2023 | 6,081 | +5 | 0.08% |
| 2022 | 6,076 | -2 | 0.03% |
| 2021 | 6,078 | -7 | 0.12% |
| 2020 | 6,085 | -74 | 1.20% |
| 2019 | 6,159 | -107 | 1.71% |
| 2018 | 6,266 | -119 | 1.86% |
| 2017 | 6,385 | -125 | 1.92% |
Showing 10 of 28 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Blackwell has a population change lower than Kay County, Oklahoma, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 60 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 7 residents
47% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 47% | 47% | 46% |
| Never married | 29% | 35% | 22% |
| Divorced | 11% | 9% | 12% |
| Widowed | 10% | 6% | 14% |
| Separated | 4% | 3% | 6% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources