Rocklin, CA Demographics

A map of Rocklin's Population by Race

Rocklin, California has an estimated population of 73,327, a slight increase from the 71,601 recorded in the 2020 Census. The population is 61.5% White, 16.0% Hispanic, 11.3% Asian, 8.2% Multiracial, 1.5% Black, and 1.5% Native American/Other. This demographic dot map shows the population of Rocklin, with one dot drawn for each person counted by the Census, color-coded by race.

Rocklin has become more racially diverse since the 2020 Census. It is considerably less diverse than California overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Rocklin, that probability was 54.6% in 2020 and 57.6% in the most recent ACS estimates.

Rocklin is ranked the 123rd most populous place in California, out of 1,618 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Rocklin was ranked the 126th most populous place in the 2020 Census.

Rocklin's White Population

45,130 residents of Rocklin, or 61.5% of the population, identify as White. The share of White residents in Rocklin is significantly higher than in California overall, where 33.8% of the population is White. Rocklin ranks 682nd statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Rocklin's White population has declined by an estimated 2.2%. White residents' share of Rocklin's population has decreased from 64.4% to 61.5%.

Rocklin is more White than neighboring Roseville (60.6% White). Rocklin is less White than neighboring Loomis (71.8% White), Lincoln (62.2% White), Penryn (80% White), and Granite Bay (74.2% White).

Rocklin's Black Population

1,064 residents of Rocklin, or 1.5% of the population, identify as Black. The share of Black residents in Rocklin is slightly lower than in California overall, where 5.2% of the population is Black. Rocklin ranks 502nd statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Rocklin's Black population has declined by an estimated 10.9%. Black residents' share of Rocklin's population has remained roughly unchanged at 1.5%.

Rocklin is more Black than neighboring Loomis (0.1% Black), Penryn (0% Black), and Granite Bay (1% Black). Rocklin is less Black than neighboring Roseville (2% Black), and Lincoln (2.3% Black).

Rocklin's Asian Population

8,314 residents of Rocklin, or 11.3% of the population, identify as Asian. The share of Asian residents in Rocklin is slightly lower than in California overall, where 15.3% of the population is Asian. Rocklin ranks 259th statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Rocklin's Asian population has remained roughly the same. Asian residents' share of Rocklin's population has remained roughly unchanged at 11.3%.

Rocklin is more Asian than neighboring Loomis (3.4% Asian), Lincoln (8% Asian), Penryn (2.9% Asian), and Granite Bay (9.7% Asian). Rocklin is less Asian than neighboring Roseville (13.1% Asian).

Rocklin's Hispanic Population

11,743 residents of Rocklin, or 16.0% of the population, identify as Hispanic. The share of Hispanic residents in Rocklin is significantly lower than in California overall, where 40.2% of the population is Hispanic. Rocklin ranks 1078th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Rocklin's Hispanic population has grown by an estimated 18.1%. Hispanic residents' share of Rocklin's population has increased from 13.9% to 16.0%.

Rocklin is more Hispanic than neighboring Loomis (11.1% Hispanic), Penryn (6.8% Hispanic), and Granite Bay (8.7% Hispanic). Rocklin is less Hispanic than neighboring Roseville (16.5% Hispanic), and Lincoln (19.2% Hispanic).

Rocklin's Native American/Other Population

1,092 residents of Rocklin, or 1.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Rocklin is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Rocklin ranks 782nd statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Rocklin's Native American/Other population has grown by an estimated 21.5%. Native American/Other residents' share of Rocklin's population has remained roughly unchanged at 1.5%.

Rocklin is more Native American/Other than neighboring Loomis (0.1% Native American/Other), Roseville (0.7% Native American/Other), Lincoln (0.8% Native American/Other), Penryn (0% Native American/Other), and Granite Bay (1.4% Native American/Other).

Rocklin's Multiracial Population

5,984 residents of Rocklin, or 8.2% of the population, identify as Multiracial. The share of Multiracial residents in Rocklin is slightly higher than in California overall, where 4.4% of the population is Multiracial. Rocklin ranks 254th statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Rocklin's Multiracial population has grown by an estimated 18.2%. Multiracial residents' share of Rocklin's population has increased from 7.1% to 8.2%.

Rocklin is more Multiracial than neighboring Roseville (7.1% Multiracial), Lincoln (7.5% Multiracial), and Granite Bay (5% Multiracial). Rocklin is less Multiracial than neighboring Loomis (13.5% Multiracial), and Penryn (10.3% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.