PR · GEOID 72133

Santa Isabel Municipio area

Santa Isabel Municipio, Puerto Rico covers 77 square miles: 34.1 square miles of land and 42.9 square miles of water.

Official Census measurements2026 Gazetteer · retrieved September 27, 2026
Land area34.1 mi²
Water area42.9 mi²
Total area77 mi²
National land rank#3161

County outline

Generalized outline of Santa Isabel Municipio, Puerto Rico
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Santa Isabel Municipio is located

Santa Isabel Municipio highlighted on a map of all U.S. county equivalents. Puerto Rico is repositioned as an inset at the common scale. About the maps

Area breakdown

Land accounts for 44.3% of Santa Isabel Municipio’s measured area and water for 55.7%. Its combined area converts to 199.4 square kilometers or approximately 49,263 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land34.09788.31121,822.1
Water42.876111.04827,440.6
Total76.973199.35949,262.7

How Santa Isabel Municipio compares

By original Census land area, Santa Isabel Municipio ranks #50 of 78 in Puerto Rico and #3161 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.812 times the Puerto Rico county-equivalent median of 42 square miles. It accounts for 1% of the combined county land area in the state.

See the complete Puerto Rico ranking · What counts as a county equivalent?

What stands out about Santa Isabel Municipio?

Santa Isabel Municipio has more land than 61 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Santa Isabel Municipio34.1 mi²
Puerto Rico median42 mi²
National median604.5 mi²

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 Santa Isabel Municipio at #3,124 nationally by total area, 37 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 55.7%, compared with a national county-equivalent median of 1.2% — 54.5 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 Santa Isabel Municipio in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#3160Barranquitas Municipio, Puerto Rico34.2Compare
#3161Santa Isabel Municipio, Puerto Rico34.1This county
#3162Las Piedras Municipio, Puerto Rico33.9Compare

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.

Representative coordinates

The Census internal point is 17.956006, -66.391099. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.

Source and precision

U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 88,311,822 m²; AWATER: 111,047,061 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How many acres of land are in Santa Isabel Municipio?

The land measurement converts to approximately 21,822 acres. Including water, total area is approximately 49,263 acres. One square mile equals 640 acres.

Why might another source show a different area?

Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.

Can this establish a property boundary?

No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.

Cite this county

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