| ZIP Codes: | 229 ZIP Codes (134 Standard, 90 PO Box, 5 Unique) [See All] |
| Area Codes: | 281 / 346 / 621 / 713 / 832 / 936 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 12:01:30 PM |
| Population: | 4,866,005 [See All] |
| FIPS: | 48201 |
| CBSA: | Houston-Pasadena-The Woodlands, TX |
| Land Area: | 1,944 sq mi |
| Water Area: | 69 sq mi |
| Coordinates: | 29.7901, -95.4004 |
| Quick Link: |
4,866,005 residents live across 229 ZIPs covering 1,944 sq mi, served by 26 distinct USPS-recognized cities.
Population moved from 4,304,425 to 4,861,426 from 2014 to 2024 — a +12.9% change. 89 ZIPs gained residents, 43 lost.
The county's wealthiest ZIP 77401 (Bellaire, $243,750 median) and poorest ZIP 77091 (Houston, $35,432) are 10.5 miles apart — a 6.9× income gap across local geography.
Median home values vary 12.5× across this county — from $111,500 in 77547 (Galena Park) to $1,395,100 in 77005 (Houston).
Density varies 179× across the county — from 97 people/sq mi in 77484 (Waller) to 17,244 in 77081 (Houston).
Educational attainment ranges from 5.5% bachelor's+ in 77506 (Pasadena) to 87.9% in 77005 (Houston) — the breadth of educational profiles across the area.
Within Texas, this is the #1 most populous of 254 counties and ranks #59 for median household income with the #49 fastest decade growth .
On the national stage, Harris County is the #3 most populous US county .
Hosts 4 single-entity Unique ZIPs: 77204University Of Houston ; 77216Chase Bank ; 77212Chase Bank ; and 77297Chase Bank .
Weighted by population, the typical household earns about $80,991 across the county — reflecting what a typical resident sees, not a simple ZIP average.
34.3% of adults age 25+ hold a bachelor's degree or higher (1,080,218 of 3,149,354 reporting). The most-educated ZIPs cluster around Houston.
134 Standard delivery, 90 PO Box only, 5 single-entity Unique ZIPs serve this county.
20 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
5 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
Median household income spans 6.9× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 77449 | Katy | Standard | 130,028 | $87,808 | 26.7 | 30.7% |
| 77433 | Cypress | Standard | 116,550 | $143,934 | 67.5 | 93.2% |
| 77084 | Houston | Standard | 110,217 | $80,575 | 35.2 | 8.6% |
| 77429 | Cypress | Standard | 96,334 | $119,191 | 38.5 | 26.0% |
| 77379 | Spring | Standard | 85,190 | $107,486 | 25.7 | 17.1% |
| 77346 | Humble | Standard | 79,538 | $122,241 | 20.2 | 38.7% |
| 77083 | Houston | Standard | 73,230 | $64,418 | 10.3 | 0.1% |
| 77375 | Tomball | Standard | 72,311 | $102,488 | 36.1 | 67.8% |
| 77450 | Katy | Standard | 71,906 | $106,402 | 19.0 | -1.9% |
| 77036 | Houston | Standard | 71,770 | $45,716 | 6.9 | -1.6% |
| 77493 | Katy | Standard | 71,484 | $118,464 | 67.6 | 190.9% |
| 77095 | Houston | Standard | 69,767 | $91,594 | 14.9 | -0.2% |
| 77373 | Spring | Standard | 69,739 | $88,617 | 24.1 | 25.7% |
| 77521 | Baytown | Standard | 69,038 | $73,629 | 48.2 | 30.0% |
| 77396 | Humble | Standard | 61,735 | $78,169 | 24.9 | 29.6% |
| 77077 | Houston | Standard | 60,098 | $72,871 | 8.7 | 12.0% |
| 77082 | Houston | Standard | 59,412 | $62,455 | 16.3 | 13.7% |
| 77015 | Houston | Standard | 58,415 | $57,753 | 24.8 | 5.0% |
| 77044 | Houston | Standard | 58,347 | $95,000 | 46.9 | 63.5% |
| 77070 | Houston | Standard | 58,229 | $77,397 | 13.3 | 20.8% |
| 77089 | Houston | Standard | 57,741 | $88,140 | 12.4 | 11.2% |
| 77072 | Houston | Standard | 57,108 | $51,070 | 7.5 | -3.9% |
| 77088 | Houston | Standard | 57,047 | $54,411 | 10.8 | 5.9% |
| 77388 | Spring | Standard | 53,425 | $102,323 | 13.1 | 27.6% |
| 77040 | Houston | Standard | 50,977 | $65,028 | 14.3 | 8.7% |
| 77081 | Houston | Standard | 50,129 | $43,251 | 2.9 | 13.7% |
| 77099 | Houston | Standard | 50,064 | $49,396 | 6.1 | 7.4% |
| 77064 | Houston | Standard | 49,591 | $81,658 | 14.9 | 6.6% |
| 77338 | Humble | Standard | 48,031 | $64,755 | 28.3 | 32.5% |
| 77007 | Houston | Standard | 47,808 | $144,911 | 7.6 | 49.5% |
| 77080 | Houston | Standard | 47,638 | $62,134 | 6.2 | 0.4% |
| 77057 | Houston | Standard | 46,569 | $66,971 | 4.3 | 16.2% |
| 77093 | Houston | Standard | 46,407 | $46,766 | 11.8 | 10.1% |
| 77073 | Houston | Standard | 46,084 | $78,592 | 14.9 | 12.1% |
| 77389 | Spring | Standard | 45,701 | $140,683 | 21.7 | 74.6% |
| 77055 | Houston | Standard | 45,435 | $74,369 | 8.2 | 2.7% |
| 77060 | Houston | Standard | 45,340 | $40,435 | 8.0 | 3.3% |
| 77339 | Kingwood | Standard | 44,538 | $84,102 | 17.1 | 9.5% |
| 77063 | Houston | Standard | 42,690 | $59,113 | 4.6 | 17.6% |
| 77377 | Tomball | Standard | 41,680 | $129,327 | 35.3 | 29.4% |
| 77008 | Houston | Standard | 41,645 | $143,229 | 6.5 | 32.6% |
| 77075 | Houston | Standard | 40,626 | $69,191 | 11.4 | -1.0% |
| 77049 | Houston | Standard | 40,418 | $62,971 | 27.4 | 32.8% |
| 77090 | Houston | Standard | 40,110 | $50,903 | 8.7 | 15.6% |
| 77066 | Houston | Standard | 39,311 | $87,138 | 8.0 | 20.9% |
| 77065 | Houston | Standard | 38,926 | $74,605 | 8.3 | 0.9% |
| 77042 | Houston | Standard | 38,721 | $59,097 | 6.1 | 1.0% |
| 77074 | Houston | Standard | 38,660 | $47,810 | 6.0 | 6.7% |
| 77571 | La Porte | Standard | 38,543 | $81,850 | 38.8 | 5.4% |
| 77024 | Houston | Standard | 38,288 | $136,149 | 13.0 | 4.1% |
| 77079 | Houston | Standard | 37,276 | $101,995 | 8.1 | 20.2% |
| 77092 | Houston | Standard | 36,938 | $58,728 | 7.9 | 5.3% |
| 77034 | Houston | Standard | 36,456 | $58,217 | 12.4 | -3.9% |
| 77502 | Pasadena | Standard | 36,371 | $62,500 | 5.8 | -3.2% |
| 77520 | Baytown | Standard | 36,355 | $54,278 | 30.5 | -4.1% |
| 77014 | Houston | Standard | 36,119 | $55,589 | 7.1 | 12.8% |
| 77035 | Houston | Standard | 36,019 | $58,686 | 6.3 | 0.1% |
| 77004 | Houston | Standard | 35,997 | $71,199 | 4.7 | 5.6% |
| 77009 | Houston | Standard | 35,769 | $83,148 | 6.2 | -9.1% |
| 77506 | Pasadena | Standard | 35,114 | $49,586 | 9.4 | -3.1% |
| 77096 | Houston | Standard | 35,032 | $82,852 | 6.1 | -3.3% |
| 77047 | Houston | Standard | 34,987 | $78,538 | 13.8 | 50.4% |
| 77087 | Houston | Standard | 34,347 | $52,847 | 6.7 | -7.8% |
| 77532 | Crosby | Standard | 33,780 | $92,201 | 85.1 | 19.0% |
| 77045 | Houston | Standard | 33,563 | $59,688 | 12.2 | -0.8% |
| 77041 | Houston | Standard | 33,349 | $77,083 | 22.6 | -10.3% |
| 77536 | Deer Park | Standard | 33,174 | $102,045 | 12.0 | 3.8% |
| 77038 | Houston | Standard | 32,637 | $57,232 | 9.4 | 16.2% |
| 77530 | Channelview | Standard | 31,527 | $62,195 | 16.2 | 3.5% |
| 77076 | Houston | Standard | 31,222 | $42,522 | 4.9 | -10.4% |
| 77018 | Houston | Standard | 31,031 | $127,017 | 6.6 | 14.8% |
| 77067 | Houston | Standard | 30,491 | $52,032 | 6.1 | -2.6% |
| 77016 | Houston | Standard | 29,841 | $47,677 | 10.1 | 12.4% |
| 77025 | Houston | Standard | 29,715 | $81,008 | 4.5 | 8.4% |
| 77017 | Houston | Standard | 29,640 | $51,079 | 9.4 | -13.3% |
| 77033 | Houston | Standard | 29,154 | $38,071 | 5.7 | 7.0% |
| 77043 | Houston | Standard | 29,048 | $79,359 | 6.8 | 16.7% |
| 77005 | Houston | Standard | 28,874 | $229,267 | 3.9 | 10.3% |
| 77091 | Houston | Standard | 28,728 | $35,432 | 7.2 | 22.8% |
| 77086 | Houston | Standard | 28,653 | $58,200 | 7.4 | -1.0% |
| 77054 | Houston | Standard | 28,272 | $62,106 | 5.4 | 25.2% |
| 77345 | Kingwood | Standard | 27,917 | $150,742 | 10.5 | -4.7% |
| 77039 | Houston | Standard | 27,862 | $47,119 | 10.4 | -3.0% |
| 77071 | Houston | Standard | 27,056 | $54,139 | 4.1 | -0.4% |
| 77021 | Houston | Standard | 26,153 | $45,574 | 6.0 | 0.4% |
| 77598 | Webster | Standard | 26,110 | $60,977 | 13.3 | 6.4% |
| 77022 | Houston | Standard | 25,805 | $52,739 | 5.9 | -6.2% |
| 77504 | Pasadena | Standard | 25,779 | $51,478 | 5.4 | 5.8% |
| 77062 | Houston | Standard | 25,523 | $103,889 | 5.3 | -0.9% |
| 77447 | Hockley | Standard | 25,231 | $116,925 | 98.2 | 91.3% |
| 77006 | Houston | Standard | 24,892 | $106,533 | 2.3 | 17.7% |
| 77023 | Houston | Standard | 24,281 | $51,430 | 5.4 | -16.6% |
| 77061 | Houston | Standard | 24,004 | $45,115 | 7.6 | -5.9% |
| 77503 | Pasadena | Standard | 23,866 | $66,797 | 9.8 | -5.8% |
| 77586 | Seabrook | Standard | 23,807 | $114,057 | 14.8 | 7.7% |
| 77019 | Houston | Standard | 23,708 | $116,423 | 3.7 | 16.5% |
| 77020 | Houston | Standard | 23,686 | $50,119 | 7.1 | -11.5% |
| 77505 | Pasadena | Standard | 23,174 | $98,125 | 8.9 | -1.1% |
| 77056 | Houston | Standard | 22,877 | $93,499 | 3.5 | 30.6% |
| 77026 | Houston | Standard | 21,981 | $39,211 | 6.5 | -5.8% |
| 77048 | Houston | Standard | 21,151 | $56,747 | 11.0 | 28.0% |
| 77002 | Houston | Standard | 21,015 | $86,394 | 2.1 | 80.7% |
| 77069 | Houston | Standard | 20,608 | $80,257 | 4.8 | 22.9% |
| 77027 | Houston | Standard | 20,317 | $103,812 | 2.9 | 31.0% |
| 77051 | Houston | Standard | 19,795 | $37,415 | 6.1 | 30.1% |
| 77028 | Houston | Standard | 19,109 | $38,357 | 9.2 | 26.8% |
| 77037 | Houston | Standard | 19,004 | $58,750 | 6.7 | -9.2% |
| 77059 | Houston | Standard | 18,767 | $161,944 | 9.7 | 0.0% |
| 77013 | Houston | Standard | 18,259 | $47,060 | 9.1 | -13.8% |
| 77058 | Houston | Standard | 17,850 | $68,722 | 9.5 | 7.6% |
| 77401 | Bellaire | Standard | 17,213 | $243,750 | 3.6 | -5.1% |
| 77098 | Houston | Standard | 17,210 | $116,650 | 1.8 | 31.5% |
| 77085 | Houston | Standard | 16,513 | $68,470 | 5.4 | 1.4% |
| 77012 | Houston | Standard | 16,286 | $45,025 | 4.3 | -22.4% |
| 77029 | Houston | Standard | 16,154 | $48,279 | 11.7 | -9.3% |
| 77587 | South Houston | Standard | 16,033 | $53,497 | 3.0 | -6.0% |
| 77031 | Houston | Standard | 15,179 | $47,162 | 3.2 | -14.3% |
| 77011 | Houston | Standard | 14,940 | $50,133 | 3.5 | -21.9% |
| 77484 | Waller | Standard | 14,348 | $81,250 | 148.7 | 26.2% |
| 77336 | Huffman | Standard | 14,342 | $96,404 | 40.0 | 22.6% |
| 77078 | Houston | Standard | 14,247 | $39,093 | 8.0 | -8.6% |
| 77030 | Houston | Standard | 13,380 | $77,336 | 2.8 | 25.5% |
| 77068 | Houston | Standard | 13,189 | $86,028 | 4.0 | 22.4% |
| 77032 | Houston | Standard | 12,403 | $43,725 | 23.0 | -3.0% |
| 77094 | Houston | Standard | 10,395 | $139,932 | 10.7 | 18.7% |
| 77003 | Houston | Standard | 10,164 | $83,980 | 2.7 | -5.5% |
| 77547 | Galena Park | Standard | 9,217 | $50,991 | 4.2 | -7.4% |
| 77562 | Highlands | Standard | 8,914 | $57,364 | 16.8 | -16.8% |
| 77050 | Houston | Standard | 6,566 | $37,009 | 9.2 | 32.8% |
| 77204 | Houston | Unique | 4,579 | — | 1.0 | — |
| 77046 | Houston | Standard | 1,793 | $131,932 | 0.2 | 85.4% |
| 77010 | Houston | Standard | 718 | $189,315 | 0.1 | -0.8% |
| 77507 | Pasadena | Standard | 567 | $77,371 | 15.4 | — |
| 77234 | Houston | PO Box | — | — | 0.0 | — |
| 77275 | Houston | PO Box | — | — | 0.0 | — |
| 77289 | Houston | PO Box | — | — | 0.0 | — |
| 77259 | Houston | PO Box | — | — | 0.0 | — |
| 77245 | Houston | PO Box | — | — | 0.0 | — |
| 77258 | Houston | PO Box | — | — | 0.0 | — |
| 77233 | Houston | PO Box | — | — | 0.0 | — |
| 77235 | Houston | PO Box | — | — | 0.0 | — |
| 77231 | Houston | PO Box | — | — | 0.0 | — |
| 77572 | La Porte | PO Box | — | — | 0.0 | — |
| 77271 | Houston | PO Box | — | — | 0.0 | — |
| 77508 | Pasadena | PO Box | — | — | 0.0 | — |
| 77287 | Houston | PO Box | — | — | 0.0 | — |
| 77217 | Houston | PO Box | — | — | 0.0 | — |
| 77402 | Bellaire | PO Box | — | — | 0.0 | — |
| 77236 | Houston | PO Box | — | — | 0.0 | — |
| 77274 | Houston | PO Box | — | — | 0.0 | — |
| 77223 | Houston | PO Box | — | — | 0.0 | — |
| 77261 | Houston | PO Box | — | — | 0.0 | — |
| 77262 | Houston | PO Box | — | — | 0.0 | — |
| 77215 | Houston | PO Box | — | — | 0.0 | — |
| 77263 | Houston | PO Box | — | — | 0.0 | — |
| 77242 | Houston | PO Box | — | — | 0.0 | — |
| 77288 | Houston | PO Box | — | — | 0.0 | — |
| 77254 | Houston | PO Box | — | — | 0.0 | — |
| 77221 | Houston | PO Box | — | — | 0.0 | — |
| 77411 | Alief | PO Box | — | — | 0.0 | — |
| 77230 | Houston | PO Box | — | — | 0.0 | — |
| 77225 | Houston | PO Box | — | — | 0.0 | — |
| 77272 | Houston | PO Box | — | — | 0.0 | — |
| 77207 | Houston | PO Box | — | — | 0.0 | — |
| 77501 | Pasadena | PO Box | — | — | 0.0 | — |
| 77052 | Houston | PO Box | — | — | 0.0 | — |
| 77522 | Baytown | PO Box | — | — | 0.0 | — |
| 77492 | Katy | PO Box | — | — | 0.0 | — |
| 77491 | Katy | PO Box | — | — | 0.0 | — |
| 77220 | Houston | PO Box | — | — | 0.0 | — |
| 77224 | Houston | PO Box | — | — | 0.0 | — |
| 77413 | Barker | PO Box | — | — | 0.0 | — |
| 77279 | Houston | PO Box | — | — | 0.0 | — |
| 77255 | Houston | PO Box | — | — | 0.0 | — |
| 77249 | Houston | PO Box | — | — | 0.0 | — |
| 77213 | Houston | PO Box | — | — | 0.0 | — |
| 77229 | Houston | PO Box | — | — | 0.0 | — |
| 77218 | Houston | PO Box | — | — | 0.0 | — |
| 77248 | Houston | PO Box | — | — | 0.0 | — |
| 77270 | Houston | PO Box | — | — | 0.0 | — |
| 77226 | Houston | PO Box | — | — | 0.0 | — |
| 77280 | Houston | PO Box | — | — | 0.0 | — |
| 77243 | Houston | PO Box | — | — | 0.0 | — |
| 77292 | Houston | PO Box | — | — | 0.0 | — |
| 77206 | Houston | PO Box | — | — | 0.0 | — |
| 77237 | Houston | PO Box | — | — | 0.0 | — |
| 77257 | Houston | PO Box | — | — | 0.0 | — |
| 77266 | Houston | PO Box | — | — | 0.0 | — |
| 77265 | Houston | PO Box | — | — | 0.0 | — |
| 77227 | Houston | PO Box | — | — | 0.0 | — |
| 77256 | Houston | PO Box | — | — | 0.0 | — |
| 77219 | Houston | PO Box | — | — | 0.0 | — |
| 77282 | Houston | PO Box | — | — | 0.0 | — |
| 77277 | Houston | PO Box | — | — | 0.0 | — |
| 77244 | Houston | PO Box | — | — | 0.0 | — |
| 77216 | Houston | Unique | — | — | 0.0 | — |
| 77212 | Houston | Unique | — | — | 0.0 | — |
| 77297 | Houston | Unique | — | — | 0.0 | — |
| 77299 | Houston | Unique | — | — | 0.0 | — |
| 77001 | Houston | PO Box | — | — | 0.0 | — |
| 77201 | Houston | Standard | — | — | 0.0 | — |
| 77203 | Houston | PO Box | — | — | 0.0 | — |
| 77202 | Houston | PO Box | — | — | 0.0 | — |
| 77210 | Houston | PO Box | — | — | 0.0 | — |
| 77251 | Houston | PO Box | — | — | 0.0 | — |
| 77252 | Houston | PO Box | — | — | 0.0 | — |
| 77253 | Houston | PO Box | — | — | 0.0 | — |
| 77208 | Houston | PO Box | — | — | 0.0 | — |
| 77291 | Houston | PO Box | — | — | 0.0 | — |
| 77222 | Houston | PO Box | — | — | 0.0 | — |
| 77238 | Houston | PO Box | — | — | 0.0 | — |
| 77228 | Houston | PO Box | — | — | 0.0 | — |
| 77293 | Houston | PO Box | — | — | 0.0 | — |
| 77240 | Houston | PO Box | — | — | 0.0 | — |
| 77241 | Houston | PO Box | — | — | 0.0 | — |
| 77284 | Houston | PO Box | — | — | 0.0 | — |
| 77410 | Cypress | PO Box | — | — | 0.0 | — |
| 77269 | Houston | PO Box | — | — | 0.0 | — |
| 77205 | Houston | PO Box | — | — | 0.0 | — |
| 77267 | Houston | PO Box | — | — | 0.0 | — |
| 77315 | North Houston | Standard | — | — | 0.0 | — |
| 77268 | Houston | PO Box | — | — | 0.0 | — |
| 77347 | Humble | PO Box | — | — | 0.0 | — |
| 77391 | Spring | PO Box | — | — | 0.0 | — |
| 77290 | Houston | PO Box | — | — | 0.0 | — |
| 77273 | Houston | PO Box | — | — | 0.0 | — |
| 77325 | Kingwood | PO Box | — | — | 0.0 | — |
| 77383 | Spring | PO Box | — | — | 0.0 | — |
| 77337 | Hufsmith | PO Box | — | — | 0.0 | — |