| ZIP Codes: | 6 ZIP Codes (4 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 787 / 939 |
| Timezone: | GMT -04:00 |
| Local Time: | 2:13:34 PM |
| Population: | 87,157 [See All] |
| FIPS: | 72013 |
| CBSA: | Arecibo, PR |
| Land Area: | 131 sq mi |
| Water Area: | 6 sq mi |
| Coordinates: | 18.4304, -66.6760 |
| Quick Link: |
87,157 residents live across 6 ZIPs covering 131 sq mi, served by 4 distinct USPS-recognized cities.
Population moved from 93,799 to 87,157 from 2014 to 2024 — a -7.1% change. 1 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 00652 (Garrochales, $35,383 median) and poorest ZIP 00688 (Sabana Hoyos, $18,023) are 5.6 miles apart — a 2.0× income gap across local geography.
Median home values vary 1.3× across this county — from $105,400 in 00688 (Sabana Hoyos) to $139,600 in 00652 (Garrochales).
Density varies 2× across the county — from 357 people/sq mi in 00688 (Sabana Hoyos) to 822 in 00612 (Arecibo).
Within Puerto Rico, this is the #7 most populous of 78 counties and ranks #29 for median household income .
Weighted by population, the typical household earns about $24,013 across the county — reflecting what a typical resident sees, not a simple ZIP average.
4 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.
Arecibo County lost 7.1% of residents between 2014 and 2024. ZIPs that shed the largest share: