Monrovia, CA Profile: Facts, Map & Data


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Monrovia, California - Basic Facts

The City of Monrovia had a population of 37,305 as of July 1, 2016. Monrovia ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.

The primary coordinate point for Monrovia is located at latitude 34.164 and longitude -117.9846 in Los Angeles County. The formal boundaries for the City of Monrovia (see map below) encompass a land area of 13.6 sq. miles and a water area of 0.11 sq. miles. Los Angeles County is in the Pacific time zone (GMT -8). The elevation is 571 feet.

The City of Monrovia (GNIS ID: 2411138) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Monrovia is located within Upper San Gabriel Valley CCD of Los Angeles County.

Beneath the boundary map are tables with Monrovia population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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City of Monrovia, CA Boundary Map

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Monrovia, CA Data & Demographics (As of July 1, 2016)


Total Population 37,305
Population in Households 37,142
Population in Familes 30,230
Population in Group Qrtrs 163
Population Density1 2,742
Diversity Index2 82


Total Households 13,921
Average Household Size 2.67
Family Households 9,298
Average Family Size 3


Total Housing Units 14,677 (100%)
Owner Occupied HU 6,670 (45.4%)
Renter Occupied HU 7,251 (49.4%)
Vacant Housing Units 756 ( 5.2%)
Median Home Value $580,396
Average Home Value $607,665


Median Household Income $69,831
Average Household Income $91,720
Per Capita Income $34,336
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.31% 0.5%
Households 0.18% 0.4%
Families 0.26% 0.45%
Median Household Income   2.84%
Per Capita Income   1.79%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Monrovia, CA - Peer Comparisons by Rank and Percentile

The table below compares Monrovia to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 227 85th
Population Density1 # 501 67th
Diversity Index2 # 308 79th
Median Household Income # 438 71st
Per Capita Income # 467 69th

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.

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