Residential delivery area · Texas
ZIP Code 77456: Markham, TX
ZIP code 77456 uses the postal name Markham, Texas and lies entirely in Matagorda County (Census 2020 ZIP-county file). About 1,400 people live there (Census Bureau, ACS 2020-2024). Median household income is $65,284 (Census Bureau, ACS 2020-2024). By Census place, 6% of its land lies in Markham (a census-designated place); 94% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- Town
- Markham · its only residential ZIP
- County
- Matagorda County
- Census places
- Markham census-designated place
- Micro area
- Bay City, TX
- House district
- TX-22 119th Congress
- State
- Texas
- Time zone
- Central
- Land area
- 39.6 sq mi · 35 people per sq mi
Where is ZIP code 77456?
77456 centers on 28.927°, -96.090° and covers 39.6 square miles of land plus 0.2 of water. It borders 4 ZIP codes: 77440, 77458, 77414, 77465.
The map draws ZIP code areas only. For the streets inside 77456, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 77456 compare with the rest of Matagorda County?
| Measure | 77456 | In Matagorda County | In TX |
|---|---|---|---|
| People (ACS 2020-2024) | 1,394 | 6th of 14 | 1,376th of 1,990 |
| Median household income | $65k | 1st of 3 | 734th of 1,172 |
| Median home value | $129k | not ranked | not ranked |
77456's median home value is not ranked: its 90% margin of error (±$34,989) is more than a quarter of the figure ($128,600). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
Its median household income is higher than in 39% of U.S. residential ZIP codes, and it is denser than 36% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 77456?
The 2020 Census counted 1,191 people in 77456; the ACS, which samples households over 2020-2024, estimates 1,394. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,394±708 (90% margin)
- 2020 Census count
- 1,191
- Households
- 343
- Median age
- 18.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 77456?
Of the 1,394 people the ACS estimates in 77456, 39.8% are under 18 and 14.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (73.5%), then Hispanic or Latino (26.5%).
- Under 1839.8%
- 18 to 6445.8%
- 65 and older14.4%
- White, not Hispanic73.5%
- Hispanic or Latino26.5%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
- Other or two or more0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 77456 earn?
Median household income is $65,284 (ACS 2020-2024), the highest of the 3 ranked ZIP codes in Matagorda County.
- Median household income
- $65,284±$16,136
- Income per person
- $17,418
- Below the poverty line
- 35.8%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 15.2%
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 77456?
- Median home value (owners' estimate)
- $128,600
- Median gross rent
- –
- Homes owned by their occupants
- 100.0%
- Housing units
- 374
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 77456?
10 business establishments had a location in this ZIP code in 2023, 4 fewer than in 2018; the most are in transportation and warehousing (ZIP Code Business Patterns).
- Transportation and warehousing3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 77456?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 77440 | Elmaton | 45 | – | 4.2 mi |
| 77458 | Midfield | 0 | – | 10.0 mi |
| 77414 | Bay City | 24,334 | $59k | 12.3 mi |
| 77465 | Palacios | 7,681 | $65k | 17.0 mi |
| 77419 | Blessing | 609 | $52k | 10.5 mi (near) |
| 77432 | Danevang | 0 | – | 11.2 mi (near) |
| 77482 | Van Vleck | 2,050 | $58k | 16.0 mi (near) |
| 77483 | Wadsworth | 257 | $32k | 16.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.