Barrio Monte Llano, Cidra Municipio, Puerto Rico

Barrio Monte Llano is a barrio in Cidra Municipio, Puerto Rico. About 817 people live there (2020–2024 estimate). It covers 1.89 sq mi (4.91 km²) of land and uses Atlantic Time. It is a legal area with no government of its own.

San JuanBayamón
Barrio Monte Llano in Puerto Rico
Barrio Ceiba
Barrio Monte Llano and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
817 ± 299
Municipio
Cidra Municipio
School district
Puerto Rico Department of Education
Land area
1.89 sq mi (4.91 km²)
Type
BarrioNo government of its own
Time zone
Atlantic TimeUTC-04:00
Median household income
$18,245 ± $4,920
Median home value
$183,500 ± $41,253
Water area
0 sq mi (0 km²)
State
Puerto Rico
Census code (GEOID)
7204154495
Coordinates (central point)
18.203271, -66.154386

These coordinates mark a central point for the area, not a street address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.

Bordering areas, nearest first

  1. Barrio Ceiba1.0 mi west
  2. Barrio Sumidero, Aguas Buenas Municipio2.6 mi northeast
  3. Barrio Bayamón2.8 mi southeast

These towns, townships, cities and boroughs share a boundary with Barrio Monte Llano. Distances are straight lines between central points, not driving distances.

Other barrios in Cidra Municipio, largest first

  1. Barrio Certenejas6,432 people
  2. Barrio Arenas5,717 people
  3. Barrio Bayamón5,404 people
  4. Barrio Rabanal4,036 people
  5. Barrio Sud3,953 people
  6. Barrio Ceiba3,183 people
  7. Barrio Beatriz3,011 people
  8. Barrio Rincón2,582 people
  9. Barrio Honduras1,721 people
  10. Barrio Toíta1,194 people
  11. Cidra Barrio-Pueblo882 people
  12. Barrio Río Abajo672 people
All 13
  1. Barrio Salto39 people

People counts are American Community Survey 2020–2024 5-year estimates. See Cidra Municipio for its cities, ZIP Code areas and county seat.

Sunrise and sunset in Barrio Monte Llano

Longest day
13 hours 14 minutes around June 21
Shortest day
11 hours 2 minutes around December 21
Earliest sunrise
5:47 AM around June 5
Latest sunrise
6:59 AM around January 19
Earliest sunset
5:46 PM around November 24
Latest sunset
7:04 PM around July 6

There is no daylight saving time here: clocks stay on Atlantic Standard Time all year, so sunrise and sunset never jump an hour.

Sunrise and sunset on the 15th of each month
DaySunriseSunsetDaylight
Jan 156:59 AM6:08 PM11 h 9 min
Feb 156:52 AM6:25 PM11 h 33 min
Mar 156:32 AM6:34 PM12 h 2 min
Apr 156:08 AM6:41 PM12 h 33 min
May 155:51 AM6:50 PM12 h 59 min
Jun 155:48 AM7:01 PM13 h 13 min
Jul 155:56 AM7:04 PM13 h 8 min
Aug 156:06 AM6:51 PM12 h 45 min
Sep 156:12 AM6:27 PM12 h 15 min
Oct 156:18 AM6:02 PM11 h 44 min
Nov 156:30 AM5:47 PM11 h 17 min
Dec 156:48 AM5:51 PM11 h 3 min

Approximate times for a flat horizon at the central point; the days move by a day or so from year to year. Hills and weather can change what you see.

Before using this answer on a form

A barrio line is not always the line on your mail: a mailing address can name another town or post office, and school districts, ZIP Codes and tax districts follow their own lines. For taxes, voting or permits, check the full address with Cidra Municipio or the local office.

Find the township or town where you are now or find your county.

See this area on Census.gov ↗