Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/TX/MARKHAM

Markham ZIP code, Texas

The ZIP code for Markham, TX is 77456, and its area code is 979.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
873
Area code
979
State
Texas

Mail addressed to Markham uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Markham in numbers

About 873 people live in Markham, in 275 households. The median household income is $68,536 a year, 13% below the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $137,600 (52% below the Texas median). The median age is 29.1; 20.6% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 13 minutes.

Population873Markham873
Households275Markham275
Median age29.1Markham29.1Texas35.6US 38.9
Median household income$68,536Markham$68,536Texas$78,476US $80,734
Median home value$137,600Markham$137,600Texas$283,800US $332,700
Bachelor's degree or higher20.6%Markham20.6%Texas33.8%US 35.7%
Mean commute12.8 minMarkham12.8 minTexas26.7 minUS 26.4 min
Population density388 / sq miMarkham388 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Markham CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Markham

ZIP codes with the USPS city name Markham
ZIP City Type Population Median income Median home
77456 Markham , TX Standard 1,394 $65,284 $128,600

Other ZIP codes overlapping Markham

These ZIP codes cover part of Markham but are addressed as somewhere else.

ZIP codes overlapping Markham
ZIP City Type Population Median income Median home
77414 Bay City , TX Standard 24,334 $59,128 $172,000

Map of Markham ZIP codes

77456

The ZIP codes of Markham, TX, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Markham

The nearest larger towns are Bay City (17,730 people, 6.5 mi), Van Vleck (1,763 people, 12 mi) and Palacios (4,388 people, 20 mi).

Towns near Markham
TownPopulationDistance
Bay City 17,730 6.5 mi
Palacios 4,388 19.9 mi
El Campo 12,202 20.7 mi
Sweeny 3,591 22.8 mi
Wharton 8,724 24.6 mi
Wild Peach Village 2,502 27.0 mi
West Columbia 3,621 27.9 mi

More nearby: every ZIP code in Matagorda County · Texas ZIP codes

Cite this page

zipcodes.pro. “Markham, TX ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/tx/markham

Underlying data is public domain or openly licensed — sources, vintages and licences.