Geronimo, TX ZIP Codes
One ZIP code serves Geronimo, Texas: 78155. Together they are home to 55,600 residents in 21,007 households. That is more than the 1,507 people counted inside Geronimo Census-designated place, because these ZIP codes reach past its boundary.
Geronimo Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 1,507 |
| Households | 472 |
| Median household income | $72,045 |
| Median home value | $245,500 |
| Median age | 36.8 |
| Median rent | $1,412 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 55,600 |
| Households (sum of ZIP codes) | 21,007 |
| Median household income, range across ZIP codes | $71,039 (78155) to $71,039 (78155) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $71,039 |
| Homeowners | 72.5% |
| Households with kids under 18 | 32.6% |
| Moved in the past year | 14.4% |
| Carrier routes in EDDM2GO's route library | 35 routes, 26,649 homes (1 of 1 ZIP codes) |
Every ZIP code in Geronimo
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 78155 | Seguin | 55,600 | 21,007 | $71,039 | $266,700 | 72.5% | 32.6% | 14.4% | 35 | 28,019 | 2% of its land |
A ZIP code is listed for Geronimo when at least 10% of its land lies inside the Geronimo Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Geronimo. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Geronimo.
Counties
- Guadalupe County — 12 ZIP codes
Nearby cities sharing these ZIP codes
- Seguin — 1 ZIP code
Metro maps
- San Antonio ZIP code map — 121 ZIP codes
Price a mailing to Geronimo ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Geronimo, TX?
- 78155. A ZIP code is listed for Geronimo when at least 10% of its land lies inside the Geronimo Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Geronimo.
- What is the population of Geronimo, TX?
- The Census Bureau counts 1,507 residents inside Geronimo Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Geronimo hold 55,600 residents in all.
- What is the median household income in Geronimo, TX?
- $72,045 inside Geronimo Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $71,039 to $71,039.
- How many carrier routes and mailboxes are in Geronimo, TX?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 35 carrier routes reaching 26,649 residential and 1,366 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.