PlainZIP

Castaner, PR · standard

ZIP Code 00631

Lares County, Puerto Rico - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,852
178/sq mi
$19,278
Median income
$99,800
Median home value
32.1%
Bachelor's or higher

The verdict

Castaner pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.

0th pct
household income, US ZIPs
10th pct
home value, US ZIPs
178
people per sq mi
65%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 00631 against every reporting US ZIP.

ZIP code 00631 covers 10.4 square miles in Castaner, Lares County, Puerto Rico (a standard USPS delivery area), with a modest 1,852 residents on file, a density of 178 people per square mile, in the Puerto Rico time zone.

ZIP 00631 sits on the lower end of the income spectrum: median household income is $19,278 (26% below the Puerto Rico average), while per-capita income is $9,431. Poverty here runs at 54.5%, with unemployment measured at 21.7%. On housing, the median home value is $99,800 (28% below the state average) with median rent at $336 per month, and 65.1% of occupied units are owner-occupied.

A solid share of residents have a four-year degree: 32.1% of adults hold a bachelor's degree or higher, the median age is 48, and the average commute is -. We also surface 8 nearby ZIP codes within roughly 10 miles and 1 additional ZIPs sharing Lares County, so you can benchmark 00631 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 00631, Castaner, PR · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

1,852

Population

10.4

Area (sq mi)

178

People / sq mi

Puerto Rico

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 00631?

48.0

Median Age

49.1%

Male

50.9%

Female

0.6%

Foreign-Born

White 93.4%
African American 0.6%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 1.1%
Hispanic or Latino 100.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$19,278

Median Household Income

-26% vs state

$9,431

Per Capita Income

54.5%

Poverty Rate

21.7%

Unemployment Rate

How ZIP 00631 ranks nationally

Castaner, PR household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$19,278 0th percentile higher than 0% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). This entry sits in this band. $20,000–$40,000: 1,573 US ZIPs (5%). Above this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Above this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 54.8%
Bachelor's Degree or Higher 32.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

604

Total Housing Units

450

Occupied Units

154

Vacant Units

2.84

Avg Household Size

Occupancy Type

Owner 65.1%
Renter 34.9%

$99,800

Median Home Value

-28% vs state

$336

Median Rent

1977

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Nearby ZIP Codes

Want a side-by-side? Compare 00631 vs 00601 →

ZIP 00631 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 00631 ranks #9 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 00631 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 00631 ranks #8 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
00601 Adjuntas, PR 18,570 5.3 mi
00669 Lares, PR 29,744 6.4 mi
00606 Maricao, PR 6,615 7.0 mi
00698 Yauco, PR 41,782 8.3 mi
00656 Guayanilla, PR 21,481 9.6 mi
00641 Utuado, PR 31,191 9.5 mi
00637 Sabana Grande, PR 25,287 10.2 mi
00624 Penuelas, PR 26,241 11.3 mi

More ZIP Codes in Lares County

00669 standard
Lares, PR
Pop: 29,744

Related Areas

Lares County Castaner, PR Puerto Rico

Frequently Asked Questions

What county is ZIP code 00631 in? ▼
ZIP code 00631 (Castaner) is located in Lares Municipio, Puerto Rico. Lares Municipio contains multiple ZIP codes, see the full list at /counties/lares-pr.
What is the population of ZIP code 00631? ▼
ZIP code 00631 in Castaner, PR has a population of 1,852 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 00631? ▼
The median household income in ZIP 00631 is $19,278, which is 75% below the national average of $76,288.
What is the average home value in ZIP 00631? ▼
The median home value in ZIP 00631 is $99,800, which is 64% below the national average of $278,155.
What is the demographic makeup of ZIP 00631? ▼
The largest racial group in ZIP 00631 is White at 93.4%. Hispanic or Latino residents make up 100.0% of the population.
What is the education level in ZIP code 00631? ▼
In ZIP code 00631, 54.8% of residents aged 25+ have a high school diploma or higher, and 32.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 00631? ▼
In ZIP code 00631, approximately 65.1% of occupied housing units are owner-occupied and 34.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 00631? ▼
The poverty rate in ZIP code 00631 is 54.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.