Browse / United States / Puerto Rico / Alianza
Alianza
Puerto Ricocomunidad
Total population
1,910
Median home value
$110,400
Bachelor's+
Median income
$29,236
Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.
City facts
Overview
Situated in Puerto Rico, United States, Alianza is a village. Around 1,910 people are recorded as living there in the most recent open data. The settlement sits at 18.453°, -66.856°, a tropical location in the northern hemisphere. Its latitude implies a climate characterised by warm temperatures throughout the year with pronounced wet and dry seasons. Total area is recorded as a compact 2.6 km². Population density therefore averages about 735 per km², an average residential density. Solar-resource estimates put the area at about 1,905 kWh/m² of solar irradiance per year with sunshine for roughly 75% of daylight hours. Further detail — demographics, climate, nearby amenities and natural-hazard data — is compiled below from public open-data sources.
Summary composed automatically from structured open data on this page. See our Terms for details.
History & geography
Demographics & economy
Race & ethnicity
Source: US Census Bureau — American Community Survey, 5-year estimates.
Geography
Coordinates & boundaries from the US Census TIGER/Line shapefiles.
Climate
Current forecast
Forecast for Alianza, PR from NOAA NWS API.
Air quality
Industrial & pollution facilities
Natural hazard risk
Health (adults)
Walkability
Amenities nearby
Wildlife & biodiversity
Most-observed species
- BananaquitCoereba flaveola (Linnaeus, 1758) · Aves5,513
- Gray KingbirdTyrannus dominicensis (Gmelin, 1788) · Aves5,029
- Greater Antillean GrackleQuiscalus niger (Boddaert, 1783) · Aves4,391
- White-winged DoveZenaida asiatica (Linnaeus, 1758) · Aves3,932
- Puerto Rican WoodpeckerMelanerpes portoricensis (Daudin, 1803) · Aves3,377
- Scaly-naped PigeonPatagioenas squamosa (Bonnaterre, 1792) · Aves3,047
- Zenaida DoveZenaida aurita (Temminck, 1809) · Aves2,993
- Northern MockingbirdMimus polyglottos (Linnaeus, 1758) · Aves2,744
Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).
Schools
Largest nearby schools
- LUIS F. CRESPOHigh · CAMUY · 641 students · 11.9:1 ratio
- LUIS FELIPE RODRIGUEZ GARCIAElementary · ARECIBO · 496 students · 10.3:1 ratio
- RALPH W. EMERSONElementary · CAMUY · 365 students · 11.8:1 ratio
- ANTONIO REYESMiddle · CAMUY · 328 students · 11.7:1 ratio
- SU JOAQUIN VAZQUEZ CRUZElementary · CAMUY · 284 students · 9.5:1 ratio
- SUPERIOR MIGUEL F. SANTIAGO ECHEGARAY (SANTIAGO R. PALMER)High · CAMUY · 262 students · 10.1:1 ratio
- AMALIA LOPEZ DE AVILA (NUEVA)Elementary · CAMUY · 249 students · 8.6:1 ratio
- SU SANTIAGO R. PALMERElementary · CAMUY · 245 students · 12.3:1 ratio
Public K–12 schools within ~10 mi from Urban Institute Education Data Portal (NCES Common Core of Data, 2022).
Earthquake history
Photos
Sights & places nearby
Notable people from here



People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.
Nearby places in Puerto Rico
Geography & sun
Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.
Nearby airports
Public attention
Books about Alianza





Search results from Open Library.
Recent natural events nearby
Ground air-quality sensors
Recently spotted species
Nearest stream gauge
Live readings from USGS NWIS · measured 2026-09-18 11:30 UTC.
Events
Gallery
Sources
- • US Census Bureau (ACS 5-year estimates)
- • NOAA National Weather Service
- • Wikidata
- • USGS NWIS (water data)
- • NCES via Urban Institute Education Data Portal
- • GBIF (Global Biodiversity Information Facility)
- • Open-Meteo / sunrise-sunset.org
- • Open Library