ZIP Codes of Santa Isabel County, PR

Population & People
Population & People
Total Population
19,853
Household Income
Household Income
Median Income
$25,938
Housing
Housing
Total Housing Units
9,507
Business & Economy
Business & Economy
Total Businesses
0
Employment
Employment
Employment Rate
45.27%
Education
Education
Bachelor's Degree+
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 1 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:1 ZIP Codes (1 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:787
Timezone:GMT -04:00
Local Time:2:13:37 PM
Population:19,853 [See All]
FIPS:72133
CBSA:Coamo, PR
Land Area:35 sq mi
Water Area:4 sq mi
Coordinates:17.9909, -66.3991
Quick Link:
https://www.zip-codes.com/county/pr-santa-isabel.asp
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Notable population decline
Lost 14.1% of residents since 2014.

Standout ZIPs in this County


Most Populous
Santa Isabel · 19,853 people
100.0% of county total
Highest Income
Santa Isabel · $25,938 median
1.0× county average
Largest Land Area
Santa Isabel · 35.2 sq mi
Spans the most ground
Fastest Growth
Santa Isabel · -14.1% (10-yr)
23,114 → 19,853 residents
Most Educated
— no education data

Things worth knowing about Santa Isabel County


19,853 residents live across 1 ZIPs covering 35 sq mi, served by 1 distinct USPS-recognized cities.

Population moved from 23,114 to 19,853 from 2014 to 2024 — a -14.1% change. 0 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 00757 (Santa Isabel, $25,938 median) and poorest ZIP 00757 (Santa Isabel, $25,938) are 0.0 miles apart — a 1.0× income gap across local geography.

Within Puerto Rico, this is the #58 most populous of 78 counties and ranks #23 for median household income .

Weighted by population, the typical household earns about $25,938 across the county — reflecting what a typical resident sees, not a simple ZIP average.

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

Stories about Santa Isabel County


Population decline

Santa Isabel County lost 14.1% of residents between 2014 and 2024. ZIPs that shed the largest share:

Santa Isabel
-14.1%
23,114 → 19,853 residents

All ZIP Codes in Santa Isabel County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
00757Santa IsabelStandard19,853$25,93835.2-14.1%

Adjacent & Nearby Counties