Home values, rents and more in ZIP code 77456 (Markham, TX)
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
Open 77456 in ProMap- Under $190k
- $190k–$210k
- $210k–$220k
- $220k–$230k
- $230k+
- No data
How 77456 compares
The typical home in ZIP code 77456 (Markham, TX) is worth about $188,000, according to the Zillow Home Value Index for September 2026. Home values in 77456 are 9% below the typical value in the Bay City metro area ($206,000) and 49% below the U.S. typical value ($366,000).
Over the past year, home values in 77456 rose 11.6%, compared with +0.7% in the Bay City metro area and +1.2% nationally.
The median household income is $65,284, against $58,628 in the Bay City metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 1,394 people live in 77456 (American Community Survey 2020–24).
77456 has the 2nd-lowest typical home value of the 7 ZIP codes in the Bay City metro area and the 353rd-lowest of 1,512 in Texas with Zillow figures.
Part of: Markham, TX · Matagorda County, TX · Bay City metro area · Texas
More for 77456 in ProMap Plus
These measures are on the map for subscribers. Open ProMap to see them for 77456 and every other place.
- 5- and 10-year price changes
- Days on market and months of supply
- Price cuts and sale-to-list ratio
- Price-to-income and monthly cost to buy
- Zillow 12-month price forecast
- Crime rates
- School test scores
- Homeowners insurance premiums
- Commute time to downtown
- Flood, wildfire and natural hazard risk
- Property-tax rate
- 2024 presidential vote
- Age, education and household make-up
- Amenities and transit nearby
Nearby ZIP codes
Sources
Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.
"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.