| 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: | 185,101 [See All] |
| FIPS: | 72021 |
| CBSA: | San Juan-Bayamon-Caguas, PR |
| Land Area: | 49 sq mi |
| Water Area: | 0 sq mi |
| Coordinates: | 18.3765, -66.1646 |
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185,101 residents live across 6 ZIPs covering 49 sq mi, served by 1 distinct USPS-recognized cities.
Population moved from 202,979 to 185,101 from 2014 to 2024 — a -8.8% change. 1 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 00961 (Bayamon, $39,393 median) and poorest ZIP 00956 (Bayamon, $29,280) are 6.3 miles apart — a 1.3× income gap across local geography.
Median home values vary 1.2× across this county — from $139,800 in 00956 (Bayamon) to $167,600 in 00961 (Bayamon).
Density varies 5× across the county — from 2,086 people/sq mi in 00956 (Bayamon) to 9,535 in 00957 (Bayamon).
Most of the decade's growth concentrated around Bayamon — top growth ZIPs averaged +11.5% over the past ten years ( 00960 , 00959 and 00961 ).
Within Puerto Rico, this is the #2 most populous of 78 counties and ranks #7 for median household income .
On the national stage, Bayamon County is .
Weighted by population, the typical household earns about $31,607 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.
Bayamon County lost 8.8% of residents between 2014 and 2024. ZIPs that shed the largest share: