ZIP Codes of Mayaguez County, PR

Population & People
Population & People
Total Population
71,666
Household Income
Household Income
Median Income
$18,344
Housing
Housing
Total Housing Units
42,970
Business & Economy
Business & Economy
Total Businesses
0
Employment
Employment
Employment Rate
33.36%
Education
Education
Bachelor's Degree+
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 3 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:3 ZIP Codes (2 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:787 / 939
Timezone:GMT -04:00
Local Time:2:13:36 PM
Population:71,666 [See All]
FIPS:72097
CBSA:Mayaguez, PR
Land Area:85 sq mi
Water Area:11 sq mi
Coordinates:18.2045, -67.1229
Quick Link:
https://www.zip-codes.com/county/pr-mayaguez.asp
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Notable population decline
Lost 17.4% of residents since 2014.
Puerto Rico's most renter-heavy county
50.3% of homes are renter-occupied.
Among Puerto Rico's 10 most populous counties
#9 of 78 counties with 71,666 residents.

Standout ZIPs in this County


Most Populous
Mayaguez · 42,689 people
59.6% of county total
Highest Income
Mayaguez · $18,793 median
1.0× county average
Largest Land Area
Mayaguez · 57.8 sq mi
Spans the most ground
Fastest Growth
Mayaguez · -9.2% (10-yr)
31,908 → 28,977 residents
Most Educated
— no education data

Things worth knowing about Mayaguez County


71,666 residents live across 3 ZIPs covering 85 sq mi, served by 1 distinct USPS-recognized cities.

Population moved from 86,732 to 71,666 from 2014 to 2024 — a -17.4% change. 0 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 00682 (Mayaguez, $18,793 median) and poorest ZIP 00680 (Mayaguez, $17,896) are 4.5 miles apart — a 1.1× income gap across local geography.

Median home values vary 1.1× across this county — from $107,400 in 00680 (Mayaguez) to $118,100 in 00682 (Mayaguez).

Density varies across the county — from 738 people/sq mi in 00680 (Mayaguez) to 1,048 in 00682 (Mayaguez).

Within Puerto Rico, this is the #9 most populous of 78 counties and ranks #75 for median household income .

Weighted by population, the typical household earns about $18,259 across the county — reflecting what a typical resident sees, not a simple ZIP average.

2 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Mayaguez County


Population decline

Mayaguez County lost 17.4% of residents between 2014 and 2024. ZIPs that shed the largest share:

Mayaguez
-22.1%
54,824 → 42,689 residents

All ZIP Codes in Mayaguez County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
00680MayaguezStandard42,689$17,89657.8-22.1%
00682MayaguezStandard28,977$18,79327.7-9.2%
00681MayaguezPO Box0.0

Adjacent & Nearby Counties