Bastrop County, TX ZIP codes
There are 8 ZIP codes in Bastrop County, TX, in 8 towns, from 78602 to 78957. The largest are 78602 (Bastrop), 78621 (Elgin) and 78612 (Cedar Creek).
The county seat is Bastrop.
- ZIP codes
- 8
- Towns
- 8
- County seat
- Bastrop
- County FIPS
48021- State
- Texas
- Population
- 106,582
- Median household income
- $86,226
- Land area
- 888 sq mi
- Metro area
- Austin-Round Rock-San Marcos
Bastrop County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Bastrop County ZIP codes
The ZIP codes of Bastrop County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Bastrop County in numbers
About 106,582 people live in Bastrop County, in 36,868 households, the 42nd most populous of Texas's 254 counties. The median household income is $86,226 a year, 10% above the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $314,800 (11% above the Texas median), and median gross rent is $1,410 a month. The median age is 37.0; 25.0% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 35 minutes.
| Population | 106,582 |
|---|---|
| Households | 36,868 |
| Median age | 37.0 |
| Median household income | $86,226 |
| Median home value | $314,800 |
| Median gross rent | $1,410 |
| Bachelor's degree or higher | 25.0% |
| Mean commute | 35.4 min |
| Population density | 120 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Bastrop County
| Town | ZIP codes | Population |
|---|---|---|
| Elgin | 1 | 11,563 |
| Bastrop | 1 | 11,156 |
| Cedar Creek | 1 | 4,440 |
| Smithville | 1 | 4,216 |
| Mc Dade | 1 | 2,409 |
| Rosanky | 1 | 1,695 |
| Red Rock | 1 | 436 |
| Paige | 1 | 129 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Bastrop County.
- Travis County (80)
- Williamson County (26)
- Caldwell County (7)
- Fayette County (11)
- Lavaca County (5)
- Gonzales County (10)
- Lee County (5)
Not sure you are in Bastrop County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Bastrop County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
78602 | Bastrop , TX | Standard | 38,190 | $89,968 | $332,600 |
78612 | Cedar Creek , TX | Standard | 19,799 | $95,496 | $309,200 |
78621 | Elgin , TX | Standard | 30,411 | $98,534 | $320,800 |
78650 | Mc Dade , TX | Standard | 2,409 | $85,170 | $300,300 |
78659 | Paige , TX | Standard | 2,660 | $89,808 | $349,700 |
78662 | Red Rock , TX | Standard | 3,015 | $94,005 | $248,600 |
78953 | Rosanky , TX | Standard | 1,089 | $83,438 | $325,400 |
78957 | Smithville , TX | Standard | 10,543 | $69,149 | $259,900 |
Cite this page
zipcodes.pro. “Bastrop County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/tx/county/bastrop
Underlying data is public domain or openly licensed — sources, vintages and licences.