ZIP code 77456: Markham, TX
77456 is a ZIP code in Markham, Texas, mainly in Matagorda County, part of the Bay City, TX micro area. About 1,394 people live here.
- Population
- 1,394
- Median household income
- $65,284
- Typical home value
- $187,600+11.6% in 12 months
- Median rent
- —gross, per month
- Median age
- 18.8
- Homeowners
- 100%of occupied homes
Shaded: ZIP code 77456's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 77456 details
| City | Markham |
|---|---|
| State | Texas |
| County | Matagorda County |
| Metro area | Bay City, TX |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 39.6 sq mi, plus 0.2 sq mi of water |
| Population density | 35 people per sq mi |
| Bachelor's degree or higher | 15.2% of adults 25+ |
| Average commute | 33.9 minutes |
| Center coordinates | 28.92738, -96.08966 |
ZIP codes near 77456
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 77440 | Elmaton, TX | 4.2 mi | 45 |
| 77404 | Bay City, TX | 8.2 mi | — |
| 77458 | Midfield, TX | 10.0 mi | 0 |
| 77419 | Blessing, TX | 10.5 mi | 609 |
| 77432 | Danevang, TX | 11.2 mi | 0 |
| 77414 | Bay City, TX | 12.3 mi | 24,334 |
| 77482 | Van Vleck, TX | 16.0 mi | 2,050 |
| 77483 | Wadsworth, TX | 16.6 mi | 257 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 77456?
A typical home in ZIP code 77456 is worth about $187,600 (Zillow Home Value Index). The median household here earns $65,284 a year. See what buying here would cost per month, with Texas average taxes and insurance filled in.
Monthly payment for a $187,600 homeWhat can a $65,284 income afford?Rental property numbers
About ZIP code 77456
What city is ZIP code 77456?
ZIP code 77456 is in Markham, TX, in Matagorda County.
What county is ZIP code 77456 in?
77456 is mainly in Matagorda County, Texas.
What is the population of ZIP code 77456?
About 1,394 people live in ZIP code 77456, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 77456 in?
77456 is in Central Time (UTC−6). It observes daylight saving time.