Municipios · Puerto Rico

Municipios of Puerto Rico

Puerto Rico has 78 municipios. San Juan Municipio is the largest with 329,737 residents in 2025. 6 of the 78 gained residents between 2020 and 2025 by the Census Bureau's estimates.

What municipios are in Puerto Rico?

Sorted by the 2025 population estimate; sort by any column.

Municipios of Puerto Rico: 2025 estimate, change since 2020, ACS 2020-2024 5-year estimates
San Juan Municipio329,737−3.7%2138$27,992$171,200
Bayamón Municipio180,562−2.5%163$31,354$149,100
Carolina Municipio149,874−3.2%145$36,958$157,600
Ponce Municipio128,384−6.6%1546$19,877$110,200
Caguas Municipio124,161−2.4%934$31,379$151,000
Guaynabo Municipio89,055−0.8%127$46,731$226,800
Arecibo Municipio85,539−2.5%525$23,635$116,700
Toa Baja Municipio70,931−5.8%2024$32,017$148,900
Mayagüez Municipio68,905−5.7%126$18,295$111,600
Trujillo Alto Municipio66,348−2.1%117$40,055$164,500
Toa Alta Municipio65,754−1.7%513$35,241$163,900
Vega Baja Municipio53,505−1.7%614$24,244$122,700
Aguadilla Municipio53,219−3.4%417$21,540$150,800
Humacao Municipio49,249−3.2%914$27,038$120,100
Cabo Rojo Municipio46,580−1.2%715$26,408$124,800
Juana Díaz Municipio45,853−1.5%813$24,852$105,500
Río Grande Municipio44,799−4.8%513$28,943$131,600
Isabela Municipio42,938−0.0%212$23,266$136,200
Canóvanas Municipio41,302−2.5%1412$29,642$118,600
Cayey Municipio40,027−3.9%211$30,129$148,300
Gurabo Municipio39,780−2.0%311$42,216$158,500
Cidra Municipio39,669−0.8%710$29,246$153,900
San Sebastián Municipio39,019−0.8%39$19,920$115,000
Manatí Municipio38,413−2.7%410$22,683$120,500
Hatillo Municipio37,810−1.8%57$28,146$134,800
Moca Municipio37,562+0.3%88$23,586$132,100
Aguada Municipio37,319−2.1%210$21,501$121,500
San Lorenzo Municipio37,275−1.1%29$22,847$113,900
Juncos Municipio36,639−1.0%27$29,863$120,100
Dorado Municipio35,891+0.0%39$36,391$169,900
Las Piedras Municipio34,723−1.3%48$25,232$127,500
Corozal Municipio34,531−0.0%26$23,797$119,700
Vega Alta Municipio34,351−2.9%510$25,538$140,700
Guayama Municipio34,043−7.0%510$20,402$108,200
Coamo Municipio33,076−4.6%49$22,045$99,900
Camuy Municipio32,691−0.4%78$27,411$109,600
Yauco Municipio31,608−7.5%211$24,255$100,200
San Germán Municipio30,809−3.4%27$18,317$111,400
Fajardo Municipio30,780−4.2%311$25,563$121,400
Naranjito Municipio29,627+1.3%15$22,156$112,900
Barranquitas Municipio29,509+1.8%16$23,407$117,800
Morovis Municipio28,170−1.9%37$25,003$115,100
Yabucoa Municipio28,058−7.8%610$22,944$97,800
Lares Municipio27,744−1.3%18$18,917$105,100
Utuado Municipio26,894−4.9%28$20,800$104,000
Aibonito Municipio24,746+0.4%26$21,744$124,100
Añasco Municipio24,449−4.5%48$24,436$116,300
Salinas Municipio24,218−6.1%89$21,901$88,700
Quebradillas Municipio23,189−1.9%35$24,640$112,500
Aguas Buenas Municipio22,838−5.7%26$23,072$144,000
Lajas Municipio22,784−2.4%46$19,695$107,800
Naguabo Municipio22,666−3.1%55$23,395$105,500
Barceloneta Municipio22,316−1.5%55$24,508$126,300
Sabana Grande Municipio22,055−3.0%36$22,065$100,500
Cataño Municipio21,701−6.3%116$25,508$144,500
Loíza Municipio21,542−9.1%311$24,272$111,000
Orocovis Municipio21,329−0.5%17$20,302$100,500
Villalba Municipio21,133−4.3%16$26,286$104,200
Santa Isabel Municipio19,547−3.6%76$25,795$108,200
Peñuelas Municipio19,325−5.2%47$22,697$89,600
Comerío Municipio18,445−2.3%35$17,134$97,400
Adjuntas Municipio17,994−0.1%16$19,549$94,300
Luquillo Municipio17,190−3.3%36$24,225$138,500
Ciales Municipio16,652−2.0%44$22,586$96,500
Guayanilla Municipio16,489−7.3%36$23,915$87,400
Rincón Municipio15,582+2.6%26$24,447$154,700
Hormigueros Municipio15,222−2.8%15$26,828$121,700
Patillas Municipio15,077−5.7%35$24,396$90,300
Arroyo Municipio14,744−6.9%45$21,186$89,900
Jayuya Municipio14,423−2.4%13$21,796$115,700
Guánica Municipio11,840−14.1%48$17,633$87,200
Florida Municipio11,371−2.7%22$22,332$111,000
Ceiba Municipio10,559−6.6%34$25,454$113,700
Maunabo Municipio10,120−4.4%34$18,045$99,900
Las Marías Municipio8,638−2.6%13$16,314$86,500
Vieques Municipio7,867−4.6%23$19,803$100,000
Maricao Municipio4,336−8.8%12$21,302$115,700
Culebra Municipio1,735−3.2%12$29,630$104,300

Source: PEP Vintage 2025 (CO-EST2025); American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Census population estimates

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections