Rosemont, CA Profile: Facts & Data


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Rosemont, California - Basic Facts

The Rosemont Census Designated Place had a population of 23,538 as of July 1, 2020. Rosemont 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 Rosemont is located at latitude 38.5518 and longitude -121.3647 in Sacramento County. The formal boundaries for the Rosemont Census Designated Place encompass a land area of 4.35 sq. miles and a water area of 0 sq. miles. Sacramento County is in the Pacific time zone (GMT -8). The elevation is 49 feet.

The Rosemont Census Designated Place (GNIS ID: 2409213) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Rosemont Census Designated Place is located within Rancho Cordova CCD of Sacramento County.


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


Total Population 23,538 (100%)
Population in Households 23,272 (98.9%)
Population in Families 18,123 (77.0%)
Population in Group Quarters1 266 ( 1.1%)
Population Density 5,383
Diversity Index2 79


Median Household Income $66,952
Average Household Income $84,880
% of Income for Mortgage4 18%
Per Capita Income $31,211
Wealth Index5 83


Total HU (Housing Units) 9,246 (100%)
Owner Occupied HU 4,957 (53.6%)
Renter Occupied HU 3,693 (39.9%)
Vacant Housing Units 596 ( 6.4%)
Median Home Value $290,217
Average Home Value $360,561
Housing Affordability Index3 132


Total Households 8,650
Average Household Size 2.69
Family Households 5,666
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 0.36% 0.44%
Households 0.33% 0.39%
Families 0.29% 0.38%
Median Household Income   1.72%
Per Capita Income   1.93%
Owner Occupied HU   0.4%


Rosemont, CA - Peer Comparisons by Rank and Percentile

The table below compares Rosemont 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 # 316 79th
Population Density # 217 86th
Median Household Income # 700 54th
Housing Affordability Index # 1247 82nd
Per Capita Income # 807 47th
Diversity Index # 424 72nd

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

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