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 — RANKINGS/TX/LARGEST-POPULATION

ZIP Codes With the Largest Population in Texas

What this measures. Population of the Census tabulation area, ACS 5-year estimate. Source: Census American Community Survey, data release 2026-10-12.

# ZIP City County Population
1 77494 Katy Fort Bend 140,157
2 77449 Katy Harris 130,028
3 78660 Pflugerville Travis 124,834
4 77433 Cypress Harris 116,550
5 77084 Houston Harris 110,217
6 78130 New Braunfels Guadalupe 104,009
7 79936 El Paso El Paso 102,991
8 78641 Leander Travis 99,865
9 79938 El Paso El Paso 99,621
10 77573 League City Galveston 98,109
11 75052 Grand Prairie Dallas 97,278
12 77429 Cypress Harris 96,334
13 78245 San Antonio Bexar 96,015
14 77479 Sugar Land Fort Bend 92,221
15 77584 Pearland Brazoria 91,065
16 78613 Cedar Park Williamson 89,956
17 75035 Frisco Collin 89,682
18 78542 Edinburg Hidalgo 89,401
19 78666 San Marcos Hays 88,583
20 77407 Richmond Fort Bend 88,319
21 78521 Brownsville Cameron 87,380
22 79928 El Paso El Paso 86,599
23 77379 Spring Harris 85,190
24 75217 Dallas Dallas 85,028
25 75126 Forney Kaufman 84,799
26 77459 Missouri City Fort Bend 84,221
27 76063 Mansfield Tarrant 82,625
28 76028 Burleson Johnson 81,549
29 78577 Pharr Hidalgo 80,540
30 76179 Fort Worth Tarrant 80,090
31 77346 Humble Harris 79,538
32 79912 El Paso El Paso 78,819
33 78572 Mission Hidalgo 78,024
34 78254 San Antonio Bexar 77,893
35 78640 Kyle Hays 77,531
36 77845 College Station Brazos 76,764
37 76244 Keller Tarrant 76,728
38 75002 Allen Collin 75,057
39 75211 Dallas Dallas 73,534
40 77083 Houston Harris 73,230
41 75071 Mckinney Collin 72,964
42 78046 Laredo Webb 72,951
43 75068 Little Elm Denton 72,710
44 77375 Tomball Harris 72,311
45 77450 Katy Harris 71,906
46 77036 Houston Harris 71,770
47 77493 Katy Harris 71,484
48 77386 Spring Montgomery 69,980
49 77406 Richmond Fort Bend 69,918
50 77469 Richmond Fort Bend 69,826

Showing the top 50 of 1,990 ZIP codes in Texas that have this figure . 77494 ranks 1st at 140,157, against 69,826 in 50th place.

Other rankings for Texas

Cite this page

zipcodes.pro. “ZIP Codes With the Largest Population in Texas.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/tx/largest-population

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