ZIP Code 77456 - Markham Texas

77456 Overview

ZIP Code 77456 is located in Markham Texas. 77456 is entirely within Matagorda County. Regionally, 77456 is located in Metro Houston.

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ZIP Code 77456 Quick Stats

ZIP Code NameMarkham
Primary CountyMatagorda County
ZIP Code TypePO Box
Population (2022)1,345
Area Code(s)361 / 979
Current Time
CST

ZIP Code 77456 Map

77456 Demographics

77456 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Texas. The majority race/ethnicity residing in 77456 is White. The current unemployment level in 77456 is 4.1%.

Population1,345
Population Growth Rate-19.65%
Population Density23 People per Square Mile
Total Households528
Median Household Income (2021)$44,219
Current Unemployment Rate (November 2024)4.1%
Majority Race/EthnictyWhite - 54.63%

77456 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White60254.63%
Black454.08%
Hispanic45541.29%
Asian00%
Native American00%
Hawaiian/Pac. Islander00%

77456 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College101.55%
Bachelor Degree00%
High School Diploma30847.6%
No High School Diploma182.78%
GED or Alternate9714.99%
1 or More Years of College10816.69%
Associates Degree10616.38%
Masters Degree00%
Professional Degree00%
Doctorate Degree00%

77456 Geography

Coordinates29.02663612,-96.10934448
Adjacent ZIP Codes
RegionMetro Houston
Metropolitan/Micropolitan Stat AreaBay City, TX
Time ZoneCentral Standard Time
IANA TimezoneAmerica/Chicago
Area59 Square Miles

77456 Schools

School Districts in 77456

77456 Weather and Climate Data

Plant Hardiness ZoneZone 9a: 20F to 25F
Average First Frost DateDecember 11 - 20
Average Last Frost DateFebruary 11 - 20
Koppen-Geiger Climate ZoneCfa - Humid Subtropical Climate
Ecoregion34a - Northern Humid Gulf Coastal Prairies

77456 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)44475460677375747061534660
Avg Max Temp (°F)64677479859093939083736680
Avg Precip (In.)3.592.792.832.974.864.723.643.555.714.823.843.1646.49

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