US5.com
  1. Home
  2. States
  3. Puerto Rico
  4. ZIP 00685
San Sebastián zona urbana, PR

ZIP Code 00685 — San Sebastián zona urbana, PR Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Low Income AreaLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
40,323
Median Income
$17,909
-76% vs US avg
Home Value
$110,000
-68% vs US avg
Median Rent
$349
-70% vs US avg
Median Age
46.0 yrs
+18% vs US avg
Area Code
Congress
Top Ancestry
AmericanAfricanWest Indian
Scroll to load map
Location
Coordinates
18.3329, -66.9597
Elevation
420 ft
Land Area
77.5 sq mi
Water Area
0.8 sq mi (1% water)

At a glance

Population
40,323
Density
N/A
Median income
$17,909
-76% vs US avg
Home value
$110,000
-68% vs US avg
Median rent
$349
-70% vs US avg
Timezone

Overview of ZIP Code 00685

UniversityUniversity / college area
7-day weather forecast

Loading live forecast…

Sunrise, sunset & moon

Loading outdoor timing for San Sebastián zona urbana, PR (ZIP 00685)

What to know about ZIP 00685

ZIP code 00685 covers San Sebastián zona urbana, PR in San Sebastián Municipio with a population of about 40,323.

At a glance, the area shows median age of 46.0 versus a U.S. median of about 38.9.

It sits in telephone area codes 787, 939; U.S. House district PR-98.

Local search focus: University

San Sebastián zona urbana, PR sits in a university / college context (near edp university of puerto rico inc-san sebastian (2.2 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.

Income and economy in San Sebastián zona urbana, PR

Median household income in ZIP 00685 is about $17,909 — about 76% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 52.2%; unemployment rate near 14.1%; 22.5% of adults with a bachelor’s degree or higher (about 11.2 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Retail trade, and Education; about 3.1% of workers reporting work-from-home (about 12.1 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 00685

Median home value is about $110,000 — about 68% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $349 (about 70% below the U.S. median rent ($1,163)), and owner-occupancy near 70.5% (about 5.1 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 00685 in San Sebastián zona urbana, PR, a household would need roughly $30,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $707. That is about 68% above the local median household income ($17,909), so the median earner would likely stretch or need a larger down payment. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

Climate normals for San Sebastián zona urbana, PR show little to no average snow and around 64.1 inches of annual precipitation.

Nearby (from this ZIP)

Airport MAZ (13.5 miles (21.7 km)) · EDP University of Puerto Rico Inc-San Sebastian (2.2 miles (3.5 km)) · San Juan National Historic Site (55.9 miles (90.0 km)) · VA: Mayaguez OPC (14.7 miles (23.6 km))

Full lists and map pins are in the Infrastructure section below.