County outline
Where Villalba Municipio is located
Area breakdown
Land accounts for 96.2% of Villalba Municipio’s measured area and water for 3.8%. Its combined area converts to 95.8 square kilometers or approximately 23,684 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 35.618 | 92.25 | 22,795.5 |
| Water | 1.388 | 3.595 | 888.3 |
| Total | 37.006 | 95.845 | 23,683.8 |
How Villalba Municipio compares
By original Census land area, Villalba Municipio ranks #48 of 78 in Puerto Rico and #3159 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.848 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?
Population and density of Villalba Municipio
The Census Bureau estimates that 21,133 people lived in Villalba Municipio on July 1, 2025. That ranks #1,827 of 3,222 county equivalents nationally and #58 of 78 in Puerto Rico. Since the April 1, 2020 estimates base of 22,094, the population has declined by 961 (−4.3%), compared with −3.1% for Puerto Rico as a whole.
With 35.6 square miles of land, that is 593 people per square mile (229 per km²), placing Villalba Municipio #295 nationally for density and #52 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 1.1 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 22,049 | 21,842 | 21,507 | 21,348 | 21,298 | 21,133 |
| Change | — | −207 | −335 | −159 | −50 | −165 |
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 Villalba Municipio
Puerto Rico has no incorporated places below the municipio: Villalba 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
Villalba Municipio is an outlying county of the Ponce, PR Metropolitan Statistical Area. Its 6 county equivalents have 262,792 residents on 365.6 square miles of land; Villalba Municipio accounts for 9.7% of the land and 8% of the residents. By combined land it ranks #383 of 393 metropolitan areas, and #194 by population. It belongs to the Ponce-Coamo, PR Combined Statistical Area.
| County equivalent | Population 2025 | Land mi² |
|---|---|---|
| Ponce Municipio | 128,384 | 114.9 |
| Juana Díaz Municipio | 45,853 | 60.4 |
| Yauco Municipio | 31,608 | 67.8 |
| Villalba Municipio | 21,133 | 35.6 |
| Peñuelas Municipio | 19,325 | 44.7 |
| Guayanilla Municipio | 16,489 | 42.2 |
ZIP codes
1 ZIP Code Tabulation Area has land in Villalba Municipio, and it lies mostly inside the county.
00766
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 Villalba Municipio
Villalba Municipio shares a land border with 3 county equivalents. Each of them has more land than Villalba Municipio. The largest neighbor is Coamo Municipio (78 mi²) and the smallest is Juana Díaz Municipio (60.4 mi²). Together with its neighbors, Villalba Municipio forms a block of 237.6 mi² of land, of which it holds 15%.
| Bordering county equivalent | Land mi² | Size vs. Villalba | Compare |
|---|---|---|---|
| Coamo Municipio | 78 | 2.2× larger | Compare |
| Orocovis Municipio | 63.6 | 1.8× larger | Compare |
| Juana Díaz Municipio | 60.4 | 1.7× larger | Compare |
How big is Villalba Municipio compared with U.S. states?
Villalba Municipio has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 29 times as much. Puerto Rico’s county land could hold about 96 areas the size of Villalba Municipio.
Another way to picture it: the same land area would fill a square about 5.97 miles (9.6 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 Villalba Municipio?
Villalba Municipio has more land than 63 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 Villalba Municipio at #3,172 nationally by total area, 13 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 3.8%, compared with a national county-equivalent median of 1.2% — 2.6 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 Villalba Municipio in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #3158 | Cidra Municipio, Puerto Rico | 36 | Compare |
| #3159 | Villalba Municipio, Puerto Rico | 35.6 | This county |
| #3160 | Barranquitas Municipio, Puerto Rico | 34.2 | Compare |
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 18.130724, -66.472245. 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: 92,250,336 m²; AWATER: 3,595,171 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.
Common questions
How big is Villalba Municipio?
Villalba Municipio, Puerto Rico has 35.6 square miles (92.3 km²) of land and 1.388 square miles of water, for a total area of 37 square miles. It ranks #3159 of 3,222 U.S. county equivalents by land area.
Is Villalba Municipio the largest county in Puerto Rico?
No. Villalba Municipio ranks #48 of 78 in Puerto Rico by land area. The largest is Arecibo Municipio, with 126 square miles of land.
What counties border Villalba Municipio?
Villalba Municipio shares a land border with Juana Díaz Municipio, Coamo Municipio, and Orocovis Municipio.
What is the population of Villalba Municipio?
The Census Bureau estimates Villalba Municipio had 21,133 residents on July 1, 2025, ranking #1,827 of 3,222 county equivalents. That is 593 people per square mile of land.
What is the county seat of Villalba Municipio?
The county seat of Villalba Municipio is Villalba.
Is Villalba Municipio part of a metropolitan area?
Yes. It is an outlying county of the Ponce, PR Metropolitan Statistical Area, which has 6 county equivalents and 262,792 residents.
How many ZIP codes are in Villalba Municipio?
1 ZIP Code Tabulation Area has land in Villalba 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 Villalba Municipio compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 29 times as much land.
How many acres of land are in Villalba Municipio?
The land measurement converts to approximately 22,796 acres. Including water, total area is approximately 23,684 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.