
Markham
- County:
- Matagorda County
- County Seat:
- No
- Area (mi²):
- 2.249
- State:
- Texas
Markham is a CDP located in Matagorda County, Texas. Markham has a 2025 population of 1,257. Markham is currently growing at a rate of 0.96% annually and its population has increased by 22.16% since the most recent census, which recorded a population of 1,029 in 2020.
The average household income in Markham is $67,854 with a poverty rate of 7.29%. The median age in Markham is 32.8 years: 39.9 years for males, and 20.3 years for females.