Sierra Madre, CA Profile: Facts & Data


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Sierra Madre, California - Basic Facts

The City of Sierra Madre had a population of 11,316 as of July 1, 2020. Sierra Madre ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.

The primary coordinate point for Sierra Madre is located at latitude 34.1617 and longitude -118.0528 in Los Angeles County. The formal boundaries for the City of Sierra Madre encompass a land area of 2.95 sq. miles and a water area of 0 sq. miles. Los Angeles County is in the Pacific time zone (GMT -8). The elevation is 827 feet.

The City of Sierra Madre (GNIS ID: 2411897) 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 Sierra Madre is located within Upper San Gabriel Valley CCD of Los Angeles County.


Sierra Madre, CA Data & Demographics (As of July 1, 2020)


Total Population 11,316 (100%)
Population in Households 11,315 (100.0%)
Population in Families 8,633 (76.3%)
Population in Group Quarters1 1 ( 0.0%)
Population Density 3,833
Diversity Index2 54


Median Household Income $106,742
Average Household Income $158,543
% of Income for Mortgage4 41%
Per Capita Income $69,577
Wealth Index5 213


Total HU (Housing Units) 5,207 (100%)
Owner Occupied HU 2,910 (55.9%)
Renter Occupied HU 2,056 (39.5%)
Vacant Housing Units 241 ( 4.6%)
Median Home Value $1,051,755
Average Home Value $1,151,074
Housing Affordability Index3 59


Total Households 4,966
Average Household Size 2.28
Family Households 2,965
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population 0.35% 0.16%
Households 0.26% 0.06%
Families 0.31% 0.17%
Median Household Income   1.28%
Per Capita Income   2.0%
Owner Occupied HU   0.34%


Sierra Madre, CA - Peer Comparisons by Rank and Percentile

The table below compares Sierra Madre to the other 1,521 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2020 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 # 463 70th
Population Density # 329 78th
Median Household Income # 231 85th
Housing Affordability Index # 275 18th
Per Capita Income # 120 92nd
Diversity Index # 952 37th

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

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