Culebra Municipio area

Population and density of Culebra Municipio

The Census Bureau estimates that 1,735 people lived in Culebra Municipio on July 1, 2025. That ranks #3,139 of 3,222 county equivalents nationally and #78 of 78 in Puerto Rico. Since the April 1, 2020 estimates base of 1,792, the population has declined by 57 (−3.2%), compared with −3.1% for Puerto Rico as a whole.

With 11.6 square miles of land, that is 149 people per square mile (58 per km²), placing Culebra Municipio #776 nationally for density and #77 in Puerto Rico. The median county equivalent has 47 people per square mile; the Puerto Rico median is 754. Put another way, there are about 4.3 acres of land per resident.

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Culebra Municipio

Puerto Rico has no incorporated places below the municipio: Culebra Municipio is itself the local government. The Census Bureau describes the settlements inside it, such as zonas urbanas and comunidades, as statistical places, and publishes no separate annual estimates for them.

Metropolitan area

Culebra Municipio is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.

ZIP codes

1 ZIP Code Tabulation Area has land in Culebra Municipio, and it lies mostly inside the county.

00775

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Culebra Municipio

Culebra Municipio has no land border with another county equivalent in the Census cartographic boundaries: open water separates it from every other county equivalent. Its nearest entries in the national land ranking are listed below, and the Puerto Rico directory lists every county equivalent in the state.

How big is Culebra Municipio compared with U.S. states?

Culebra Municipio has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 89 times as much. Puerto Rico’s county land could hold about 294 areas the size of Culebra Municipio.

Another way to picture it: the same land area would fill a square about 3.41 miles (5.5 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Culebra Municipio?

Culebra Municipio has more land than 21 of the other 3,221 county equivalents in the dataset.

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Culebra Municipio at #3,065 nationally by total area, 136 places closer to the top than its land rank. The water assigned to this geography moves it ahead of some county equivalents with more land.

Its water share is 93.1%, compared with a national county-equivalent median of 1.2% — 91.9 percentage points higher. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Culebra Municipio in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.