Naranjito Municipio area

Naranjito Municipio, Puerto Rico covers 27.7 square miles: 27.4 square miles of land and 0.31 square miles of water. Its county seat is Naranjito. An estimated 29,627 people lived there in 2025.

Official Census measurements · GEOID 721052026 Gazetteer · retrieved September 27, 2026
Land area27.4 mi²
Water area0.31 mi²
Population (2025)29,627
People per mi²1,083

County outline

Generalized outline of Naranjito 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 Naranjito Municipio is located

Naranjito 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 98.9% of Naranjito Municipio’s measured area and water for 1.1%. Its combined area converts to 71.6 square kilometers or approximately 17,704 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land27.35270.84117,505.3
Water0.310.803198.4
Total27.66271.64417,703.7

How Naranjito Municipio compares

By original Census land area, Naranjito Municipio ranks #62 of 78 in Puerto Rico and #3175 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.651 times the Puerto Rico county-equivalent median of 42 square miles. It accounts for 0.8% of the combined county land area in the state.

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

Population and density of Naranjito Municipio

The Census Bureau estimates that 29,627 people lived in Naranjito Municipio on July 1, 2025. That ranks #1,496 of 3,222 county equivalents nationally and #40 of 78 in Puerto Rico. Since the April 1, 2020 estimates base of 29,238, the population has grown by 389 (+1.3%), compared with −3.1% for Puerto Rico as a whole.

With 27.4 square miles of land, that is 1,083 people per square mile (418 per km²), placing Naranjito Municipio #175 nationally for density and #25 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 0.591 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate29,23929,33529,18029,26729,52629,627
Change—+96−155+87+259+101

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 Naranjito Municipio

Puerto Rico has no incorporated places below the municipio: Naranjito 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

Naranjito Municipio is a central county of the San Juan-Bayamón-Caguas, PR Metropolitan Statistical Area. Its 40 county equivalents have 2,024,195 residents on 1,437.8 square miles of land; Naranjito Municipio accounts for 1.9% of the land and 1.5% of the residents. By combined land it ranks #229 of 393 metropolitan areas, and #36 by population. It belongs to the San Juan-Bayamón, PR Combined Statistical Area.

ZIP codes

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

00719

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 Naranjito Municipio

Naranjito Municipio shares a land border with 5 county equivalents. It has more land than 1 of them. The largest neighbor is Bayamón Municipio (44.4 mi²) and the smallest is Toa Alta Municipio (27 mi²). Together with its neighbors, Naranjito Municipio forms a block of 204 mi² of land, of which it holds 13.4%.

Map of Naranjito Municipio and the 5 county equivalents that border it Corozal Municipio, Puerto Rico: 42.5 mi² landToa Alta Municipio, Puerto Rico: 27 mi² landComerío Municipio, Puerto Rico: 28.4 mi² landBarranquitas Municipio, Puerto Rico: 34.2 mi² landBayamón Municipio, Puerto Rico: 44.4 mi² land
Naranjito Municipio (dark) and its bordering county equivalents. Select a neighbor to open its profile. Drawn from the 2025 Census cartographic boundaries in an equal-area projection. How borders are determined.
Bordering county equivalentLand mi²Size vs. NaranjitoCompare
Bayamón Municipio44.41.6× largerCompare
Corozal Municipio42.51.6× largerCompare
Barranquitas Municipio34.21.3× largerCompare
Comerío Municipio28.4about the sameCompare
Toa Alta Municipio27about the sameCompare

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

Naranjito Municipio has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 38 times as much. Puerto Rico’s county land could hold about 125 areas the size of Naranjito Municipio.

Land area: Naranjito Municipio and the closest-sized states
Naranjito Municipio27.4 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 5.23 miles (8.4 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 Naranjito Municipio?

Naranjito Municipio has more land than 47 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Naranjito Municipio27.4 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 Naranjito Municipio at #3,189 nationally by total area, 14 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.

Its water share is 1.1%, compared with a national county-equivalent median of 1.2%. The two percentages are within 0.1 percentage points of each other. 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 Naranjito Municipio in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#3174Guaynabo Municipio, Puerto Rico27.6Compare
#3175Naranjito Municipio, Puerto Rico27.4This county
#3176Toa Alta Municipio, Puerto Rico27Compare

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 18.289920, -66.253440. 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: 70,841,762 m²; AWATER: 803,541 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 big is Naranjito Municipio?

Naranjito Municipio, Puerto Rico has 27.4 square miles (70.8 km²) of land and 0.31 square miles of water, for a total area of 27.7 square miles. It ranks #3175 of 3,222 U.S. county equivalents by land area.

Is Naranjito Municipio the largest county in Puerto Rico?

No. Naranjito Municipio ranks #62 of 78 in Puerto Rico by land area. The largest is Arecibo Municipio, with 126 square miles of land.

What counties border Naranjito Municipio?

Naranjito Municipio shares a land border with Corozal Municipio, Toa Alta Municipio, Comerío Municipio, Barranquitas Municipio, and Bayamón Municipio.

What is the population of Naranjito Municipio?

The Census Bureau estimates Naranjito Municipio had 29,627 residents on July 1, 2025, ranking #1,496 of 3,222 county equivalents. That is 1,083 people per square mile of land.

What is the county seat of Naranjito Municipio?

The county seat of Naranjito Municipio is Naranjito.

Is Naranjito Municipio part of a metropolitan area?

Yes. It is a central county of the San Juan-Bayamón-Caguas, PR Metropolitan Statistical Area, which has 40 county equivalents and 2,024,195 residents.

How many ZIP codes are in Naranjito Municipio?

1 ZIP Code Tabulation Area has land in Naranjito Municipio, and 1 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Naranjito Municipio compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 37.8 times as much land.

How many acres of land are in Naranjito Municipio?

The land measurement converts to approximately 17,505 acres. Including water, total area is approximately 17,704 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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