San Antonio, PR ZIP Codes
2 ZIP codes serve San Antonio, Puerto Rico: 00646 and 00690. Together they are home to 41,868 residents in 15,060 households. That is more than the 6,727 people counted inside San Antonio city limits, because these ZIP codes reach past its boundary. Median household income ranges from $25,755 in 00690 to $36,265 in 00646.
San Antonio city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 6,727 |
| Households | 2,936 |
| Median household income | $26,808 |
| Median home value | $147,500 |
| Median age | 42.9 |
| Median rent | $541 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 41,868 |
| Households (sum of ZIP codes) | 15,060 |
| Median household income, range across ZIP codes | $25,755 (00690) to $36,265 (00646) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $34,714 |
| Homeowners | 73.7% |
| Households with kids under 18 | not published |
| Moved in the past year | not published |
| Carrier routes in EDDM2GO's route library | 19 routes, 14,158 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in San Antonio: 00646 ($36,265)
- Most residents: 00646 (35,998 people)
- Highest homeownership: 00646 (78.7% own their home)
- Youngest median age: 00690 (35.4 years)
- Highest median home value: 00646 ($169,500)
Every ZIP code in San Antonio
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 00646 | Dorado | 35,998 | 12,838 | $36,265 | $169,500 | 78.7% | — | — | 17 | 12,877 | 9% of its land |
| 00690 | San Antonio | 5,870 | 2,222 | $25,755 | $139,600 | 44.8% | — | — | 2 | 1,861 | mailing city |
A ZIP code is listed for San Antonio when at least 10% of its land lies inside San Antonio city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is San Antonio. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside San Antonio.
Counties
- Dorado County — 2 ZIP codes
Nearby cities sharing these ZIP codes
- Dorado — 1 ZIP code
Price a mailing to San Antonio ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in San Antonio, PR?
- 00646 and 00690. A ZIP code is listed for San Antonio when at least 10% of its land lies inside San Antonio city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is San Antonio.
- What is the population of San Antonio, PR?
- The Census Bureau counts 6,727 residents inside San Antonio city limits (ACS 2020–2024). The 2 ZIP codes that serve San Antonio hold 41,868 residents in all.
- What is the median household income in San Antonio, PR?
- $26,808 inside San Antonio city limits, per the Census Bureau. Across its ZIP codes the medians run from $25,755 to $36,265.
- Which San Antonio ZIP code has the highest median household income?
- 00646, at $36,265, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in San Antonio, PR?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 19 carrier routes reaching 14,158 residential and 571 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.