| ZIP Codes: | 1 ZIP Codes (1 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 787 / 939 |
| Timezone: | GMT -04:00 |
| Local Time: | 2:13:35 PM |
| Population: | 37,327 [See All] |
| FIPS: | 72065 |
| CBSA: | Arecibo, PR |
| Land Area: | 38 sq mi |
| Water Area: | 1 sq mi |
| Coordinates: | 18.4091, -66.8038 |
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37,327 residents live across 1 ZIPs covering 38 sq mi, served by 1 distinct USPS-recognized cities.
Population moved from 41,830 to 37,327 from 2014 to 2024 — a -10.8% change. 0 ZIPs gained residents, 1 lost.
The county's wealthiest ZIP 00659 (Hatillo, $27,513 median) and poorest ZIP 00659 (Hatillo, $27,513) are 0.0 miles apart — a 1.0× income gap across local geography.
Within Puerto Rico, this is the #25 most populous of 78 counties and ranks #16 for median household income .
Weighted by population, the typical household earns about $27,513 across the county — reflecting what a typical resident sees, not a simple ZIP average.
1 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
Hatillo County lost 10.8% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 00659 | Hatillo | Standard | 37,327 | $27,513 | 38.4 | -10.8% |