ZIP Codes of Dorado County, PR

Population & People
Population & People
Total Population
35,998
Household Income
Household Income
Median Income
$36,265
Housing
Housing
Total Housing Units
16,539
Business & Economy
Business & Economy
Total Businesses
0
Employment
Employment
Employment Rate
43.64%
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 Codes:787 / 939
Timezone:GMT -04:00
Local Time:2:13:35 PM
Population:35,998 [See All]
FIPS:72051
CBSA:San Juan-Bayamon-Caguas, PR
Land Area:25 sq mi
Water Area:1 sq mi
Coordinates:18.4286, -66.2824
Quick Link:
https://www.zip-codes.com/county/pr-dorado.asp
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Puerto Rico's #29 most populous county
35,998 residents across 1 ZIPs — #29 of 78 Puerto Rico counties.

Standout ZIPs in this County


Most Populous
Dorado · 35,998 people
100.0% of county total
Highest Income
Dorado · $36,265 median
1.0× county average
Largest Land Area
Dorado · 25.3 sq mi
Spans the most ground
Fastest Growth
Dorado · -6.0% (10-yr)
38,305 → 35,998 residents
Most Educated
— no education data

Things worth knowing about Dorado County


35,998 residents live across 1 ZIPs covering 25 sq mi, served by 1 distinct USPS-recognized cities.

Population moved from 38,305 to 35,998 from 2014 to 2024 — a -6.0% change. 0 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 00646 (Dorado, $36,265 median) and poorest ZIP 00646 (Dorado, $36,265) are 0.0 miles apart — a 1.0× income gap across local geography.

Within Puerto Rico, this is the #29 most populous of 78 counties and ranks #5 for median household income .

Weighted by population, the typical household earns about $36,265 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 Dorado County


Population decline

Dorado County lost 6.0% of residents between 2014 and 2024.

All ZIP Codes in Dorado County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
00646DoradoStandard35,998$36,26525.3-6.0%

Adjacent & Nearby Counties