Baytown, TX ZIP Codes
3 ZIP codes serve Baytown, Texas: 77521, 77520 and 77523. Together they are home to 135,579 residents in 47,517 households. That is more than the 85,205 people counted inside Baytown city limits, because these ZIP codes reach past its boundary. Median household income ranges from $54,278 in 77520 to $124,188 in 77523.
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Baytown city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 85,205 |
| Households | 30,964 |
| Median household income | $59,910 |
| Median home value | $197,300 |
| Median age | 34 |
| Median rent | $1,307 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 135,579 |
| Households (sum of ZIP codes) | 47,517 |
| Median household income, range across ZIP codes | $54,278 (77520) to $124,188 (77523) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $79,547 |
| Homeowners | 61.7% |
| Households with kids under 18 | 39.1% |
| Moved in the past year | 15.0% |
| Carrier routes in EDDM2GO's route library | 79 routes, 54,195 homes (3 of 3 ZIP codes) |
Top facts
- Highest median household income in Baytown: 77523 ($124,188)
- Most residents: 77521 (69,038 people)
- Highest homeownership: 77523 (81.3% own their home)
- Most households with kids: 77523 (41.7% of households)
- Most new movers: 77521 (15.4% moved in last year)
- Youngest median age: 77521 (32.9 years)
- Highest median home value: 77523 ($372,100)
Every ZIP code in Baytown
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 77521 | Baytown | 69,038 | 24,321 | $73,629 | $231,400 | 58.2% | 39.3% | 15.4% | 34 | 28,091 | 35% of its land; mailing city |
| 77520 | Baytown | 36,355 | 12,753 | $54,278 | $150,700 | 52.2% | 36.6% | 14.2% | 26 | 14,901 | 66% of its land; mailing city |
| 77523 | Baytown | 30,186 | 10,443 | $124,188 | $372,100 | 81.3% | 41.7% | 15.2% | 19 | 14,108 | 7% of its land; mailing city |
A ZIP code is listed for Baytown when at least 10% of its land lies inside Baytown city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Baytown. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Baytown.
Counties
- Harris County — 136 ZIP codes
- Chambers County — 8 ZIP codes
Nearby cities sharing these ZIP codes
- Mont Belvieu — 3 ZIP codes
Metro maps
- Houston ZIP code map — 238 ZIP codes
Mail Baytown with EDDM
For prices, route selection and how we print and mail in Baytown, see the EDDM service-area page.
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Price a mailing to Baytown ZIP codes
EDDM guides
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Frequently asked questions
- What ZIP codes are in Baytown, TX?
- 77521, 77520 and 77523. A ZIP code is listed for Baytown when at least 10% of its land lies inside Baytown city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Baytown.
- What is the population of Baytown, TX?
- The Census Bureau counts 85,205 residents inside Baytown city limits (ACS 2020–2024). The 3 ZIP codes that serve Baytown hold 135,579 residents in all.
- What is the median household income in Baytown, TX?
- $59,910 inside Baytown city limits, per the Census Bureau. Across its ZIP codes the medians run from $54,278 to $124,188.
- Which Baytown ZIP code has the highest median household income?
- 77523, at $124,188, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Baytown, TX?
- For the 3 of 3 ZIP codes in EDDM2GO's stored route library: 79 carrier routes reaching 54,195 residential and 2,896 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.