| ZIP Codes: | 9 ZIP Codes (5 Standard, 4 PO Box, 0 Unique) [See All] |
| Area Codes: | 787 / 939 |
| Timezone: | GMT -04:00 |
| Local Time: | 2:13:34 PM |
| Population: | 146,542 [See All] |
| FIPS: | 72031 |
| CBSA: | San Juan-Bayamon-Caguas, PR |
| Land Area: | 41 sq mi |
| Water Area: | 4 sq mi |
| Coordinates: | 18.3978, -65.9710 |
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146,542 residents live across 9 ZIPs covering 41 sq mi, served by 1 distinct USPS-recognized cities.
Population moved from 167,342 to 146,542 from 2014 to 2024 — a -12.4% change. 0 ZIPs gained residents, 5 lost.
The county's wealthiest ZIP 00987 (Carolina, $43,159 median) and poorest ZIP 00982 (Carolina, $28,906) are 5.7 miles apart — a 1.5× income gap across local geography.
Median home values vary 1.3× across this county — from $143,100 in 00982 (Carolina) to $189,900 in 00979 (Carolina).
Density varies 4× across the county — from 2,257 people/sq mi in 00987 (Carolina) to 7,920 in 00983 (Carolina).
Within Puerto Rico, this is the #3 most populous of 78 counties and ranks #4 for median household income .
On the national stage, Carolina County is .
Weighted by population, the typical household earns about $37,929 across the county — reflecting what a typical resident sees, not a simple ZIP average.
5 Standard delivery, 4 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 00987 | Carolina | Standard | 55,747 | $43,159 | 24.7 | -7.9% |
| 00983 | Carolina | Standard | 31,472 | $35,638 | 4.0 | -21.9% |
| 00985 | Carolina | Standard | 30,497 | $33,863 | 5.2 | -13.4% |
| 00979 | Carolina | Standard | 14,776 | $40,049 | 4.9 | -8.5% |
| 00982 | Carolina | Standard | 14,050 | $28,906 | 2.5 | -7.2% |
| 00981 | Carolina | PO Box | — | — | 0.0 | — |
| 00984 | Carolina | PO Box | — | — | 0.0 | — |
| 00986 | Carolina | PO Box | — | — | 0.0 | — |
| 00988 | Carolina | PO Box | — | — | 0.0 | — |