ZIP Codes of Cabo Rojo County, PR

Population & People
Population & People
Total Population
46,876
Household Income
Household Income
Median Income
$26,486
Housing
Housing
Total Housing Units
28,577
Business & Economy
Business & Economy
Total Businesses
0
Employment
Employment
Employment Rate
40.94%
Education
Education
Bachelor's Degree+
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 2 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:2 ZIP Codes (2 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:787 / 939
Timezone:GMT -04:00
Local Time:11:54:53 PM
Population:46,876 [See All]
FIPS:72023
CBSA:Mayaguez, PR
Land Area:73 sq mi
Water Area:13 sq mi
Coordinates:18.0308, -67.1553
Quick Link:
https://www.zip-codes.com/county/pr-cabo-rojo.asp
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Puerto Rico's #16 most populous county
46,876 residents across 2 ZIPs — #16 of 78 Puerto Rico counties.

Standout ZIPs in this County


Most Populous
Cabo Rojo · 39,212 people
83.7% of county total
Highest Income
Boqueron · $26,585 median
1.0× county average
Largest Land Area
Cabo Rojo · 51.1 sq mi
Spans the most ground
Fastest Growth
Boqueron · 16.3% (10-yr)
6,589 → 7,664 residents
Most Educated
— no education data

Things worth knowing about Cabo Rojo County


46,876 residents live across 2 ZIPs covering 73 sq mi, served by 2 distinct USPS-recognized cities.

Population moved from 50,706 to 46,876 from 2014 to 2024 — a -7.6% change. 1 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 00622 (Boqueron, $26,585 median) and poorest ZIP 00623 (Cabo Rojo, $26,388) are 6.4 miles apart — a 1.0× income gap across local geography.

Median home values vary 1.1× across this county — from $119,400 in 00622 (Boqueron) to $126,300 in 00623 (Cabo Rojo).

Density varies across the county — from 344 people/sq mi in 00622 (Boqueron) to 767 in 00623 (Cabo Rojo).

Within Puerto Rico, this is the #16 most populous of 78 counties and ranks #21 for median household income .

Weighted by population, the typical household earns about $26,420 across the county — reflecting what a typical resident sees, not a simple ZIP average.

2 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Cabo Rojo County


Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Cabo Rojo

Population decline

Cabo Rojo County lost 7.6% of residents between 2014 and 2024. ZIPs that shed the largest share:

Cabo Rojo
-11.1%
44,117 → 39,212 residents

All ZIP Codes in Cabo Rojo County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
00623Cabo RojoStandard39,212$26,38851.1-11.1%
00622BoqueronStandard7,664$26,58522.316.3%

Adjacent & Nearby Counties