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Puerto Rico ZIP Codes
Lares County
Castaner, PR
00631
00631 ZIP Code — Castaner, PR
Lares County, Puerto Rico
ZIP code 00631 is located in
Castaner ,
Puerto Rico ,
within Lares County .
It covers approximately 3.13 square miles and serves a population of
1,431 residents.
This is a standard ZIP code in the Atlantic (AT) — no DST timezone,
served by area code 787 .
About ZIP code 00631
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $98,300. Owner-occupancy sits near the national average at 58%.
Median household income is $15,658. Poverty affects 60% of residents, above the national average. SNAP benefit usage at 70% of households reflects economic stress in the area. 50% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is service, with education and healthcare as the leading industry. An above-average commute of 38 minutes suggests many residents work outside the immediate area.
Overall, ZIP code 00631 reflects a community defined by economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.
Atlantic (AT) — no DST
timezone
00631 ZIP code map
View map of 00631
Cities in ZIP code 00631
Below are the cities the US Postal Service accepts for ZIP code 00631. Using any city not on this list may result in mail delivery delays.
Demographics
updated 07/2026
Population
Total population
1,431
Population density
457 / sq mi
State FIPS
72
County FIPS
081
Geography
Land area
3.13 sq mi
Water area
0.27 sq mi
Latitude
18.2246
Longitude
-66.8678
Timezone
Atlantic (AT) — no DST
Area code
787
Economics
updated 07/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
90.5%
90.1%
80.8%
$50k – $100k
9.5%
8.2%
14.5%
$100k – $200k
0.0%
1.7%
3.8%
Over $200k
0.0%
0.0%
1.0%
Demographics & statistics
$15,658
Median household income
Age distribution
Age summary
Group Count %
Under 18 259 18.1%
18 and over 1,172 81.9%
65 and over 447 31.2%
Median age 42.1 years
Race & ethnicity
Black or African American
0.5%
Group Count %
White 1,377 93.2%
Hispanic or Latino 46 3.1%
Other race 43 2.9%
Black or African American 8 0.5%
Two or more races 3 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
90.5%
90.1%
80.8%
$50k – $100k
9.5%
8.2%
14.5%
$100k – $200k
0.0%
1.7%
3.8%
Over $200k
0.0%
0.0%
1.0%
Range % of households
Under $10k 25.4%
$10k–$15k 22.5%
$15k–$25k 16.5%
$25k–$35k 11.5%
$35k–$50k 14.2%
$50k–$75k 6.3%
$75k–$100k 3.8%
Median income $15,658
Housing
Housing overview
Metric Value
Median home value $98,300
Median rent / month $326
Owner occupied 57.9%
Renter occupied 42.1%
Vacant 26.3%
Single-family detached 76.0%
Large apartment buildings 5.1%
Mobile homes 0.0%
Median rooms 4.8
Avg household size (owned) 3.09
Year built
Era %
2020 or later 0.0%
2010–2019 2.9%
2000–2009 9.1%
1990–1999 10.8%
1980–1989 14.7%
1970–1979 26.9%
1960–1969 8.8%
1950–1959 2.5%
1940–1949 2.3%
1939 or earlier 22.1%
Bedrooms
Size % of units
No bedroom (studio) 5.1%
1 bedroom 0.0%
2 bedrooms 28.7%
3 bedrooms 42.1%
4 bedrooms 24.1%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 25.6%
1 vehicle 28.3%
2 vehicles 23.8%
3 or more 22.3%
Heating fuel
Fuel type %
No fuel used 100.0%
Households & families
Household type Count %
Married-couple family 0 0.0%
Cohabiting couple 0 0.0%
Male householder, no spouse 0 0.0%
Female householder, no spouse 0 0.0%
Households with children under 18 0 0.0%
Households with seniors (65+) 0 0.0%
Average household size 0.00
Marital status
Status Male Female
Never married 0.0% 0.0%
Married 0.0% 0.0%
Separated 0.0% 0.0%
Widowed 0.0% 0.0%
Divorced 0.0% 0.0%
Education
Some college, no degree
0.0%
Graduate / professional
0.0%
Metric %
HS diploma or higher 0.0%
Bachelor's or higher 0.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 0 0.0%
High school 0 0.0%
College / grad school 0 0.0%
Employment
Industry of employment
Education & healthcare
45.6%
Arts, food & hospitality
12.7%
Agriculture & mining
9.3%
Public administration
9.1%
Professional & management
4.8%
Occupation
Category %
Management, business & arts 30.0%
Service 31.4%
Sales & office 11.3%
Natural resources & construction 24.1%
Production & transportation 3.1%
Employment type
Type %
Private sector 76.2%
Government 23.8%
Self-employed 0.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 81.1%
Carpool 18.3%
Public transit 0.0%
Walk 0.6%
Work from home 0.0%
Other means 0.0%
Avg commute (minutes) 38.3
Poverty
Married-couple families
54.8%
Female-led households
51.7%
Income support
Source % of households
Social Security 50.4%
Retirement income 13.8%
Supplemental Security 0.0%
Cash public assistance 16.9%
Food stamps / SNAP 70.4%
Health indicators
Condition %
Obesity 0.0%
High blood pressure 0.0%
High cholesterol 0.0%
Diabetes 0.0%
Heart disease 0.0%
Stroke 0.0%
Asthma 0.0%
Arthritis 0.0%
Kidney disease 0.0%
Pulmonary disease 0.0%
Cancer 0.0%
Behavior / access %
Smoking 0.0%
Binge drinking 0.0%
No physical activity 0.0%
Less than 7 hrs sleep 0.0%
Depression 0.0%
Fair or poor health 0.0%
Poor mental health 0.0%
Poor physical health 0.0%
No health insurance 0.0%
Visited doctor (checkup) 0.0%
Visited dentist 0.0%
Cholesterol screening 0.0%
Teeth loss 0.0%
Veterans & disability
Veterans Count %
Civilian veterans 0 0.0%
Disability %
Any disability 0.0%
Under 18 0.0%
18–64 years 0.0%
65 and over 0.0%
Health insurance coverage
Type %
Private insurance 8.5%
Public insurance 87.5%
No insurance 4.1%
Uninsured under 19 4.4%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 0 0.0%
Spanish 0 0.0%
Other Indo-European 0 0.0%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 0 0.0%
Born in same state 0 0.0%
Born in different state 0 0.0%
Foreign born 0 0.0%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Technology access
Metric % of households
Computer access 0.0%
Internet access 0.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 00631
What city is ZIP code 00631 in?
ZIP code 00631 is primarily assigned to Castaner, Puerto Rico.
What county is ZIP code 00631 in?
ZIP code 00631 falls within Lares County, Puerto Rico.
What is the poverty rate in ZIP code 00631?
60% of residents in ZIP code 00631 live below the poverty line, above the national average.
Does ZIP code 00631 have an older population?
31% of residents in ZIP code 00631 are 65 or older, above the national average of ~17%.
Does ZIP code 00631 have a large retiree population?
50% of households in ZIP code 00631 receive Social Security income, suggesting a significant retiree or disability population.
What is the median household income in ZIP code 00631?
The median household income in ZIP code 00631 is $15,658, below the national median of ~$75,000.
What timezone is ZIP code 00631 in?
ZIP code 00631 observes the AST timezone.
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