ZIP code 77521
Where is ZIP code 77521?
Baytown, Texas
Harris County · Standard ZIP code
ZIP code 77521 belongs to Baytown, Texas in Harris County. 77521 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area codes 281, 346, 713, 832 and 936. About 69,038 people live in the 77521 area, where the median household income is $73,629. The closest ZIP codes are 77520 (Baytown, 1.7 mi south), 77522 (Baytown, 2.5 mi south) and 77562 (Highlands, 5.8 mi northwest).
| ZIP code | 77521 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Baytown |
| Also accepted | Mont Belvieu |
| State | Texas (TX) |
| County | Harris County |
| Time zone | Central Time · now |
| Area codes | 281, 346, 713, 832, 936 |
| Coordinates | 29.7705, -94.9695 map |
| 3-digit prefix | 775 |
Population and income in 77521
| Population | 69,038 · higher than 97% of Texas ZIP codes |
|---|---|
| People per square mile | 1,401 · higher than 75% of Texas ZIP codes |
| Median age | 32.9 years · lower than 81% of Texas ZIP codes |
| Men / women | 51% / 50% |
| Median household income | $73,629 · higher than 57% of Texas ZIP codes |
| Income per person | $32,886 |
| Below the poverty line | 15% |
| Bachelor’s degree or higher | 17% of adults 25+ |
| Median home value | $231,400 · higher than 57% of Texas ZIP codes |
| Median rent | $1,390 a month |
| Housing units | 25,879 |
| Households | 24,321 (2.82 people on average) |
| Owners / renters | 58% / 42% |
| Land area | 49.27 sq mi (plus 0.93 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 77521. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 77521
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 77520 | Baytown, TX | 1.7 mi S | Standard |
| 77522 | Baytown, TX | 2.5 mi S | PO Box only |
| 77562 | Highlands, TX | 5.8 mi NW | Standard |
| 77523 | Baytown, TX | 6.5 mi E | Standard |
| 77580 | Mont Belvieu, TX | 7.1 mi NE | PO Box only |
| 77571 | La Porte, TX | 7.5 mi SW | Standard |
| 77572 | La Porte, TX | 7.8 mi S | PO Box only |
| 77530 | Channelview, TX | 9.8 mi W | Standard |
| 77536 | Deer Park, TX | 11 mi SW | Standard |
| 77507 | Pasadena, TX | 11.4 mi SW | Standard |
| 77532 | Crosby, TX | 11.9 mi NW | Standard |
| 77503 | Pasadena, TX | 12.6 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 77521 or measure the distance to another ZIP code.
How to address mail to 77521
123 MAIN ST
BAYTOWN TX 77521
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts MONT BELVIEU as the city name for 77521. Adding the 4-digit ZIP+4 code (77521-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Baytown, TX
All Baytown ZIP codes with population and income →
Questions
- What city is ZIP code 77521?
- 77521 is a Baytown, Texas ZIP code. Mont Belvieu is also accepted as the city name.
- What county is 77521 in?
- ZIP code 77521 is in Harris County, Texas.
- What time zone is ZIP code 77521 in?
- 77521 is in the Central Time zone (America/Chicago).
- What area code is 77521?
- Phone numbers in ZIP code 77521 use area codes 281, 346, 713, 832 and 936.
- What is the population of ZIP code 77521?
- About 69,038 people live in ZIP code 77521, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 77521?
- The median household income in 77521 is $73,629 a year, higher than 57% of Texas ZIP codes.
- What ZIP codes are near 77521?
- The nearest ZIP codes to 77521 are 77520 (Baytown, 1.7 miles), 77522 (Baytown, 2.5 miles), 77562 (Highlands, 5.8 miles) and 77523 (Baytown, 6.5 miles).