ZIP Code 00775 in Culebra, PR

Data Last Updated: February 1, 2026
City:Culebra, Puerto Rico
County:Culebra County
Timezone:Atlantic (GMT -04:00)
Local Time:8:42:54 PM
Population:1,792 [See All]
Area Codes:787 / 939
Classification:PO Box
Coordinates:18.3137, -65.2942
Land Area:11.647 sq mi
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00775 Culebra, PR - Puerto Rico's Island Post Office

ZIP Code 00775, Culebra

Small Town
LocationCulebra County, PR
Area11.6 sq mi
Population1,792
Households779
PO Boxes709 (91% adoption)
Median Age46.4 years
Seasonal Housing31%
ZIP CreatedBefore Oct 2004
Key Facts
  • This is a PO Box Only Zone. There's no street delivery anywhere on the island, and all 1,792 residents must use the post office for mail.
  • The post office maintains 709 PO Boxes for 779 households, giving the island a 91% PO Box adoption rate.
  • Nearly one-third of housing units (30.5%) are vacant for seasonal or recreational use, indicating a significant vacation home presence.
  • Transportation and utilities employ 250 workers, the largest sector on an island that depends on ferry connections to mainland Puerto Rico.
  • Federal government workers number 185, connected to Culebra's role as home to national wildlife refuge land.

An Island Municipality

Culebra is an island municipality of Puerto Rico, located roughly 17 miles east of the main island in the Caribbean Sea. With 1,792 residents spread across just under 12 square miles of land, it's one of Puerto Rico's smallest and most remote communities. The entire island operates as a PO Box Only Zone, meaning there's no alternative mail delivery anywhere on Culebra.

Why Every Home Needs a PO Box

Every household on the island relies on the Culebra post office for mail. The facility maintains 709 PO Boxes for 779 occupied households, giving the island a 91% PO Box adoption rate. There's no carrier route delivery to homes. If you live here, you pick up your mail at the post office on Calle Pedro Marquez.

A Vacation Destination

Culebra's housing stock tells the story of a vacation destination. Of 1,563 total housing units, only 779 are occupied year-round. Another 477 units (30.5%) sit vacant for seasonal or recreational use. Second-home owners and vacation renters swell the population during tourist season, but permanent residents number fewer than 1,800.

Island Economy and Workforce

The island's economy centers on transportation and government. Of the workforce, 250 work in transportation or utilities (likely maritime and ferry services connecting the island to the mainland), while 208 work in public administration. Federal workers account for 185 employees, connected to the island's history as a former U.S. Navy bombing range and current wildlife refuge management. The median household income of $27,614 falls well below the U.S. mainland average.

Mailing to Culebra

Getting mail to Culebra requires planning. Everything arrives by ferry or cargo ship from the main island. The post office at Calle Pedro Marquez is the sole mail hub for the entire island municipality. Residents and visitors alike must use a PO Box address.

Street Name Patterns

Spanish Names Limited Infrastructure

The ZIP+4 data shows only one street record, Calle Pedro Marquez, where the post office is located. This reflects the island's informal addressing and PO Box Only delivery.

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Population & Demographics


ZIP Code 00775 has 1,792 residents and 779 households (average 2.29 persons per household). The median age is 46.4 years, slightly older than the state (45.2) and significantly older than the nation (38.8). The gender split is 51.2% male and 48.8% female, which is higher than the state male share (47.3%), making this a male-majority area. Largest groups are Hispanic or Latino (89.2%) and White (17.7%, much lower than the national average of 61.6%); Hispanic or Latino residents make up 89.2%, which is much higher than the national average (18.7%).

Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.
2020 Population:1,792Source: Census DHC
2024 ACS Population Estimate:1,387Source: Census ACS
2026 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:153.9 people per sq mile
Average Income:$29,630Source: Census ACS
Households:779Source: Census DHC
Average House Value:$104,300Source: Census ACS
Persons Per Household:2.29Source: Census DHC
Average Family Size:3.56Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group201020112102201320142015201620172018201920202021202220232024
Census ACS Population Estimate--1,7901,5351,4781,5851,5541,4931,4801,2991,2991,3261,2931,1861,2811,387
Decennial Census1,786------------------1,792--------
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 46.4

Male Median Age: 45.8

Female Median Age: 47.3

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male394733525355516454726579586861302116
Female263934346054424673766562906151231424
Total6586678611310993110127148130141148129112533540
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:31713.47%
Black:1436.08%
Hispanic:*1,59967.96%
Asian:40.17%
American Indian:50.21%
Hawaiian:00%
Other:28512.11%
Total:2,353100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:91851.23%45.8 years
Females:87448.77%47.3 years
Total:1,792100%46.4 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:00%
Native, born in PR, Island Areas, or abroad:00%
Foreign born, naturalized U.S. citizen:00%
Foreign born, not a U.S. citizen:00%
Total Population:0100%
Total Native Population:00%
Total Foreign-born Population:00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2024, the Median household income is $29,630, which is much lower than the national median ($80,734), is up $12,302 (71.0%) since 2011 and above its 2019 pre-pandemic level by $6,963. Family households earn a median of $39,563 versus $17,411 for nonfamily households (a difference of $22,152). By gender, male median income is $19,797 and female is $19,757, which is far less than the national female median ($55,274), with a current gap of $40 that has widened from 2011 to 2024. The labor-force participation rate is 58.9%, which is tends to be lower than the national rate (63.5%). The unemployment rate is 0.0%, which is considerably lower than the national rate (5.2%). The largest occupation group is Service (31.8%).

Explore More: Income Over Time Household Income Employment Status By Occupation

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type20112012201320142015201620172018201920202021202220232024
Median Household Income$17,328$16,375$16,188$18,167$18,547$20,221$23,092$23,281$22,667$24,886$25,104$25,483$27,614$29,630
Median Family Income$21,250$20,625$21,071$22,250$23,243$23,598$26,484$32,619$33,625$33,587$34,815$36,912$44,688$39,563
Median NonFamily Income$12,318$12,400$11,143$11,875$11,397$13,000$13,839$12,321$13,500$14,375$14,934$14,401$18,203$17,411
Median Male Income$16,681$18,917$16,997$17,397$17,441$17,647$17,235$18,796$19,375$20,172$19,521$23,464$23,182$19,797
Median Female Income$19,107$18,333$19,375$19,286$17,500$17,254$16,854$17,089$16,921$17,670$17,078$19,246$19,667$19,757
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:71058.92%
Unemployed:00.00%
Not In Labor Force:49541.08%
Total:1,205100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:10715.07%
Service:22631.83%
Sales and Office:16222.82%
Natural resources, construction, and maintenance:9012.68%
Production, transportation, and material moving:12517.61%
Total Civilian Employed Population:710100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2024, the median home value is $104,300, which is far less than the national median ($332,700), is down $17,700 (14.51%) since 2011 and below its 2019 pre-pandemic level by $44,500. The median gross rent is $528, which is far less than the national median ($1,413), is up $190 (56.21%) since 2011 and below its 2019 pre-pandemic level by $50. Of occupied housing, owners make up 67.37% (11.05% with a mortgage, 88.95% free-and-clear) and renters 32.63% - making this ZIP Code under national rental averages. The vacancy rate is 65.95%, which is much higher than the national rate (10.12%).

Explore More: Compare Home Value Home Value Over Time Rent & Over Time Housing Occupancy

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Home Value$122,000$124,200$118,800$154,900$122,800$107,000$89,900$116,700$148,800$166,700$164,100$168,500$168,200$104,300
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:4123.98%
$500 to $999:5934.50%
$1,000 to $1,499:00.00%
$1,500 to $1,999:00.00%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:7141.52%
Total:171100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Rent$338$380$525$520$542$621$604$525$578$542$438$458$548$528
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):397.44%
Owner Occupied (free and clear, no mortgage):31459.92%
Renter Occupied:17132.63%
Total Occupied Housing Units:524100%

Occupied Housing Units:52434.05%
Vacant Housing Units (not graphed):1,01565.95%
Total Housing Units:1,539100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:1,17776.48%
Multi-Family Units:34722.55%
Other Units:150.97%
Total Housing Units:1,539100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


Insufficient data for educational attainment. The uninsured rate is 10.20%, which is comparable to the national rate (8.40%). Private coverage is 41.20%, which is falls below the national rate (67.10%). Public coverage is 56.40%, which is far higher than the national rate (36.70%). The share of people in poverty is 15.20%, which is comparable to the national rate (8.80%), down 32.70 percentage points since 2011 and below its 2019 pre-pandemic level by 21.20 percentage points. This points to a pronounced improvement in local conditions - rising incomes, firmer consumer demand, and a stronger tax base. Insufficient data for school enrollment.

Explore More: Educational Attainment Health Insurance Poverty Over Time School Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:00%
9th to 12th grade, no diploma:00%
High school graduate (includes equivalency):00%
Some college, no degree:00%
Associate's degree:00%
Bachelor's degree:00%
Graduate or professional degree:00%
Total:0100%
High school or higher:00%
Bachelor's degree or higher:00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:57138.22%
Public Insurance:78252.34%
No Insurance:1419.44%
Total:1,494100%
Has Health Insurance:1,35390.56%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)


Group20112102201320142015201620172018201920202021202220232024
% of People in Poverty41.8%47.8%44.0%39.9%37.1%40.1%35.5%38.0%30.3%25.6%16.2%15.9%9.1%15.2%
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:00%
Kindergarten:00%
Elementary school (grades 1-8):00%
High school (grades 9-12):00%
College or graduate school:00%
Total:0100%
Early Childhood:00%
K-12 (Primary & Secondary School):00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 00775 is designated for PO Box delivery only; business establishment and employment data are not available.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:2,289Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:0Source: CBP
1st Quarter Payroll:$0Source: CBP
Annual Payroll:$0Source: CBP
# of Employees:0Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 00775 is located in Culebra County, Puerto Rico, within the Metropolitan Statistical Area (CBSA ). This area has a population of 0 people, about 0.00% of whom live in ZIP Code 00775. It covers 11.647 sq mi of land and a water area of 16.804 sq mi.

CBSA Name:--Source: Census
CBSA Number:--Source: Census
CBSA Type:--Source: Census
CBSA Division:--Source: Census
CBSA Population:0Source: Census
MSA:Source: Census
Land Area:11.647 sq miSource: Census
Water Area:16.804 sq miSource: Census
Congressional District:No DistrictsSource: USPS
Congressional Land Area: sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:7222589Source: Census
Place Name:Culebra zona urbana; Puerto RicoSource: Census

Adjacent & Nearby ZIP Codes


00777 | | 00773

Schools in ZIP Code 00775


ZIP Code 00775 is in the Puerto Rico Department of Education, which serves grades Pre-Kindergarten thru 12th. There are 1 public school(s) in this ZIP Code, and we have located 0 private school(s). It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Ecologica De Culebra 109 Calle Escudero
Culebra, PR 00775
District: Puerto Rico Department of Education

Colleges & Post Secondary Schools near ZIP Code 00775


University Of The Virgin Islands 2 John Brewers Bay
Charlotte Amalie, VI 00802-9990
Type: Post Secondary
Commonwealth Of Puerto Rico Department Of Education-Prami Bo Quebrada Vueltas, Carr #3 Marginal, K.m. 49.5
Fajardo, PR 00738-0000
Type: Post Secondary
Inter American University Of Puerto Rico-Fajardo Calle Union-Batey Central Highway 195
Fajardo, PR 00738-7003
Type: Post Secondary
Nuc University - Ibc Technical Division - Fajardo Carretera #3, Km.44.0 Calle Marginal, Bo.quebrada
Fajardo, PR 00738-0000
Type: Post Secondary
Cem College-Humacao 8 Dr Vidal St
Humacao, PR 00791-4210
Type: Post Secondary
Edp University Of Puerto Rico-Humacao Antonio Lopez Street #4
Humacao, PR 00791-0000
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 2/1/2026], https://nces.ed.gov