Markham, TX zip code
Markham, Texas uses one zip code: 77456. Most of it is in Matagorda County. Together these zip codes are home to about 1.4K people.
Zip codes
1
Population
1.4K
All zips combined
Largest zip
77456
1,394 residents
Zip codes in Markham
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 77456 | 1,394 | $65,284 |