Smithville, TX ZIP Codes
One ZIP code serves Smithville, Texas: 78957. Together they are home to 10,543 residents in 4,198 households. That is more than the 4,216 people counted inside Smithville city limits, because these ZIP codes reach past its boundary.
Smithville city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 4,216 |
| Households | 1,776 |
| Median household income | $59,977 |
| Median home value | $254,400 |
| Median age | 43.1 |
| Median rent | $1,230 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 10,543 |
| Households (sum of ZIP codes) | 4,198 |
| Median household income, range across ZIP codes | $69,149 (78957) to $69,149 (78957) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $69,149 |
| Homeowners | 72.6% |
| Households with kids under 18 | 25.3% |
| Moved in the past year | 10.3% |
| Carrier routes in EDDM2GO's route library | 8 routes, 4,382 homes (1 of 1 ZIP codes) |
Every ZIP code in Smithville
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 78957 | Smithville | 10,543 | 4,198 | $69,149 | $259,900 | 72.6% | 25.3% | 10.3% | 8 | 4,578 | 2% of its land; mailing city |
A ZIP code is listed for Smithville when at least 10% of its land lies inside Smithville city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Smithville. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Smithville.
Counties
- Bastrop County — 10 ZIP codes
Metro maps
- Austin ZIP code map — 89 ZIP codes
Price a mailing to Smithville ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Smithville, TX?
- 78957. A ZIP code is listed for Smithville when at least 10% of its land lies inside Smithville city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Smithville.
- What is the population of Smithville, TX?
- The Census Bureau counts 4,216 residents inside Smithville city limits (ACS 2020–2024). The 1 ZIP code that serve Smithville hold 10,543 residents in all.
- What is the median household income in Smithville, TX?
- $59,977 inside Smithville city limits, per the Census Bureau. Across its ZIP codes the medians run from $69,149 to $69,149.
- How many carrier routes and mailboxes are in Smithville, TX?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 8 carrier routes reaching 4,382 residential and 193 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.