Rocklin, CA Profile: Facts & Data


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Rocklin, California - Basic Facts

The City of Rocklin had a population of 67,510 as of July 1, 2019.

The primary coordinate point for Rocklin is located at latitude 38.7907 and longitude -121.2358 in Placer County. The formal boundaries for the City of Rocklin encompass a land area of 19.55 sq. miles and a water area of 0.05 sq. miles. Placer County is in the Pacific time zone (GMT -8). The elevation is 259 feet.

The City of Rocklin (GNIS ID: 2410980) 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 Rocklin is located within Rocklin CCD of Placer County.

Alternate Unofficial Names for Rocklin: Rocklissa.

Jump to... (On This Page!)
  1. Rocklin 2019 Demographic Data
  2. Growth Rates for Rocklin (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. California Research Tools (Easy Tools & Current Data)
  3. California Data Comparison Tool - 2019 Demographics

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Rocklin, CA Data & Demographics (As of July 1, 2019)


Total Population 67,510
Population in Households 66,852
Population in Familes 57,036
Population in Group Qrtrs 658
Population Density2 3,408
Diversity Index3 51


Median Household Income $90,099
Average Household Income $114,124
Per Capita Income $40,928


Total Housing Units 25,454 (100%)
Owner Occupied HU 16,818 (66.1%)
Renter Occupied HU 7,455 (29.3%)
Vacant Housing Units 1,181 ( 4.6%)
Median Home Value $482,761
Average Home Value $526,873


Total Households 24,273
Average Household Size 2.75
Family Households 17,716
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. 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 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.


2010-2019 2019-2024
Population 1.79% 1.61%
Households 1.63% 1.55%
Families 1.72% 1.57%
Median Household Income   2.71%
Per Capita Income   2.83%

Rocklin, CA - Peer Comparisons by Rank and Percentile

The table below compares Rocklin to the other 1,521 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2019 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 # 134 91st
Population Density # 403 74th
Diversity Index # 977 36th
Median Household Income # 337 78th
Per Capita Income # 427 72nd

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

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