
Spencer
- County:
- Oklahoma County
- County Seat:
- No
- Area (mi²):
- 5.381
- State:
- Oklahoma
Spencer is a city located in Oklahoma County, Oklahoma. Spencer has a 2025 population of 3,830. Spencer is currently declining at a rate of -0.78% annually and its population has decreased by -3.77% since the most recent census, which recorded a population of 3,980 in 2020.
The average household income in Spencer is $63,808 with a poverty rate of 16.25%. The median age in Spencer is 40.5 years: 38 years for males, and 48.2 years for females.