Harris County Zip Code Map

About Harris County Zip Code Map

Explore the map of Harris County Zip Codes showing zip code areas, zip code boundaries, and county boundary.

Harris County Zip Codes

Home to Houston, Harris County leads Texas in population while ranking third across the U.S. Its zip codes start mostly with 770 and 772, creating a sprawling, varied system unlike much elsewhere. By early 2026 numbers show about 145 functioning zip codes within the area. Close to 4.9 million people live there spread over over 1,700 square miles. From city centers like Houston out into wide suburban areas, past factories and open land, these zip codes span a broad mix of space and population. Harris County shows that spread clearly across different landscapes and ways people live there.

Overview of the Harris County Zip Code System

Most of Harris County falls under the 770xx series, covering the city of Houston along with nearby suburbs. Reserved mainly for post office boxes and certain big organizations, the 772xx code exists separately. In downtown areas, zip codes often show shorter numbers because density packs more people per square mile. Up toward the north, northwest, or eastern outskirts, the digits grow longer - reflecting broader spaces inhabited by larger numbers of residents. Per updated figures from the U.S. Census Bureau along with the Texas Demographic Center, about 4.88 million people now live in the county as of 2025. Growth remains consistent due to movement within the country toward the area, newcomers from abroad, along with population gains through births minus deaths.

Central Houston and Inner-Loop Zip Codes

Around it spins the neighborhood life - 77002 stands where skyscrapers meet street art, while 77003 hums with energy of old factories turned into homes. Just blocks away, 77004 blooms with streetlife, parks, and history baked into its sidewalks. Over near the lake, 77006 flows with cafes, bookshops, and a rhythm set by local bands playing at night. On the hillside, 77019 keeps time slower, edged by oak trees and quiet lawns where families walk after dinner. This patch holds the heart of Houston: clinics that buzz with patients at lunch, schools that open their doors wide, and places where food tastes better just because they’re there.

Southwest and West Houston Zip Codes

Out here in Southwest Houston, massive zip codes like 77036 - home to Sharpstown - take up most of the landscape. Over in 77072, you’ll find Alief teeming with life, people everywhere. Just west, 77082 stretches from the heart of Westchase into the Energy Corridor, busy every hour. Nearby, 77077 packs in offices near Eldridge, adding to the flow. Immigrant families shape much of the neighborhood character across these zones. Big shopping strips anchor parts of the area, making daily life efficient. Getting to job centers or hospitals isn’t far off because connections run frequent. Up above the interstate, the Energy Corridor stands out as Houston's go-to spot for big companies. Down below, Alief and Sharpstown keep packing in homes per square foot, making them some of the densest around.

Northwest and North Harris County (Fastest Growing)

Growth speeds up near the top edge of the county. Areas like 77084 - Katy, Bear Creek - lead with rising numbers, followed by 77449 under Katy’s name, then 77494 touching Katy and Cinco Ranch. Next appear zip codes 77379 covering Spring, Klein; also 77386 linking to The Woodlands. These spots host planned neighborhoods, strong education outlets, fresh retail spots, plus large office hubs. Take the 77494 zip code, for instance - homes there have multiplied fast lately. This area often places near the top of Texas’ most crowded zip codes based on how many people live there.

East Harris County and Ship Channel Area

East Harris County covers areas like 77015 (North Channel), 77530 (Channelview), 77536 (Deer Park), 77571 (La Porte), and 77506 (Pasadena). Because of its location, the region leans into port activities - especially links to the Port of Houston and related manufacturing. Industry patches sit alongside residential zones, especially those with lower income households, alongside newer residential areas. Among them, Pasadena stands out by size, ranking high across the county even beyond Houston's city limits.

How to Find the Correct Harris County Zip Code

Checking an address doesn’t have to be complicated. You can start by using the USPS Zip Code Lookup page - it shows if a place exists and what the zip code is. Another option is Google Maps, which gives you a visual idea of where something is located. The City of Houston also offers a map tool that includes neighborhoods, zip codes, and council districts. Each method takes less than a minute and gives clear details fast.

Interesting Facts About Harris County Zip Codes

Out here in Texas, the 77084 area usually ranks near the top for overall population size. Over in the suburbs, 77494 - up in Katy - has stood out lately because it adds new residents faster than most places nationwide. During regular business hours, the core downtown district labeled 77002 hosts more people on the move than almost anywhere else across the region.

List of Zip Codes of Harris County

77001
77002
77003
77004
77005
77006
77007
77008
77009
77010
77011
77012
77013
77014
77015
77016
77017
77018
77019
77020
77021
77022
77023
77024
77025
77026
77027
77028
77029
77030
77031
77032
77033
77034
77035
77036
77037
77038
77039
77040
77041
77042
77043
77044
77045
77046
77047
77048
77049
77050
77051
77052
77053
77054
77055
77056
77057
77058
77059
77060
77061
77062
77063
77064
77065
77066
77067
77068
77069
77070
77071
77072
77073
77074
77075
77076
77077
77078
77079
77080
77081
77082
77083
77084
77085
77086
77087
77088
77089
77090
77091
77092
77093
77094
77095
77096
77097
77098
77099
77201
77202
77203
77204
77205
77206
77207
77208
77209
77210
77212
77213
77215
77216
77217
77218
77219
77220
77221
77222
77223
77224
77225
77226
77227
77228
77229
77230
77231
77233
77234
77235
77236
77237
77238
77240
77241
77242
77243
77244
77245
77246
77247
77248
77249
77250
77251
77252
77253
77254
77255
77256
77257
77258
77259
77260
77261
77262
77263
77265
77266
77267
77268
77269
77270
77271
77272
77273
77274
77275
77276
77277
77278
77279
77280
77281
77282
77284
77285
77286
77287
77288
77289
77290
77291
77292
77293
77294
77296
77297
77298
77299
77315
77325
77336
77337
77338
77339
77345
77346
77347
77357
77373
77375
77377
77379
77383
77388
77389
77391
77396
77401
77402
77410
77411
77413
77429
77433
77447
77449
77450
77484
77491
77492
77493
77501
77502
77503
77504
77505
77506
77507
77508
77520
77521
77522
77530
77532
77536
77546
77547
77562
77571
77572
77581
77586
77587
77598