Editing Rocklin, California (section)

==Demographics==
{{US Census population
|1870= 542
|1880= 624
|1890= 1056
|1900= 1050
|1910= 1026
|1920= 643
|1930= 724
|1940= 795
|1950= 1155
|1960= 1495
|1970= 3039
|1980= 7344
|1990= 19033
|2000= 36330
|2010= 56974
|2020= 71601
|estimate= 73472
|estyear=2023
|estref=
|footnote=U.S. Decennial Census<ref name="DecennialCensus">{{cite web|url=https://www.census.gov/programs-surveys/decennial-census.html|title=Census of Population and Housing|publisher=Census.gov|access-date=June 4, 2015}}</ref>
}}

===2019===
The California Department of Finance calculated the population of Rocklin at 69,249 with a 3.8% population growth over 2018.<ref>{{cite web |title=E-1 Population Estimates for Cities, Counties, and the State — January 1, 2018 and 2019 |url=http://www.dof.ca.gov/Forecasting/Demographics/Estimates/E-1/ |website=State of CA - Department of Finance |access-date=November 19, 2019}}</ref>

===2010===
At the [[2010 United States Census|2010 census]], Rocklin had a population of 56,974. The population density was {{convert|2,907.7|PD/sqmi|PD/km2|sp=us|adj=off}}. The racial makeup of Rocklin was 47,047 (82.6%) White, 858 (1.5%) African American, 410 (0.7%) Native American, 4,105 (7.2%) Asian, 150 (0.3%) Pacific Islander, 1,538 (2.7%) from other races, and 2,866 (5.0%) from two or more races. Hispanic or Latino of any race were 6,555 persons (11.5%).<ref>{{cite web|url=http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0662364|archive-url=https://archive.today/20140715032748/http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0662364|url-status=dead|archive-date=July 15, 2014|title=2010 Census Interactive Population Search: CA - Rocklin city|publisher=U.S. Census Bureau|access-date=July 12, 2014}}</ref>

The census reported that 56,337 people (98.9% of the population) lived in households, 456 (0.8%) lived in non-institutionalized group quarters, and 181 (0.3%) were institutionalized.

There were 20,800 households, 8,424 (40.5%) had children under the age of 18 living in them, 11,974 (57.6%) were [[marriage|opposite-sex married couples]] living together, 2,191 (10.5%) had a female householder with no husband present, 895 (4.3%) had a male householder with no wife present. There were 1,035 (5.0%) [[POSSLQ|unmarried opposite-sex partnerships]], and 124 (0.6%) [[same-sex partnerships|same-sex married couples or partnerships]]. 4,403 households (21.2%) were one person and 1,652 (7.9%) had someone living alone who was 65 or older. The average household size was 2.71. There were 15,060 families (72.4% of households); the average family size was 3.18.

The age distribution was 15,613 people (27.4%) under the age of 18, 5,306 people (9.3%) aged 18 to 24, 15,159 people (26.6%) aged 25 to 44, 14,668 people (25.7%) aged 45 to 64, and 6,228 people (10.9%) who were 65 or older. The median age was 36.7 years. For every 100 females, there were 94.0 males. For every 100 females age 18 and over, there were 90.4 males.

There were 22,010 housing units at an average density of 1,123.3 per square mile, of the occupied units 13,797 (66.3%) were owner-occupied and 7,003 (33.7%) were rented. The homeowner vacancy rate was 2.5%; the rental vacancy rate was 7.3%. 39,295 people (69.0% of the population) lived in owner-occupied housing units and 17,042 people (29.9%) lived in rental housing units.

===2000===
At the [[2000 United States Census|2000 census]], there were 36,330 people in 13,258 households, including 10,009 families, in the city. The population density was {{convert|2,246.2|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 14,421 housing units at an average density of {{convert|891.6|/mi2|/km2|disp=preunit|units&nbsp;|units|}}. The [[Race and ethnicity in the United States Census#2000 census|racial makeup]] of the city was 88.32% White, 0.91% African American, 0.80% Native American, 4.16% Asian, 0.19% Pacific Islander, 1.93% from other races, and 3.69% from two or more races. Hispanic or Latino of any race were 7.91%.<ref name="GR2">{{cite web|url=https://www.census.gov|publisher=[[United States Census Bureau]]|access-date=January 31, 2008|title=U.S. Census website}}</ref> 16.8% were of [[German Americans|German]], 11.8% [[English Americans|English]], 10.6% [[Irish Americans|Irish]], 8.1% [[Italian Americans|Italian]] and 6.5% [[American ancestry]] according to [[Census 2000]].

Of the 13,258 households 42.6% had children under the age of 18 living with them, 62.3% were married couples living together, 9.4% had a female householder with no husband present, and 24.5% were non-families. 18.7% of households were one person and 6.3% were one person aged 65 or older. The average household size was 2.74 and the average family size was 3.15.

The age distribution was 30.0% under the age of 18, 7.0% from 18 to 24, 33.7% from 25 to 44, 20.8% from 45 to 64, and 8.6% 65 or older. The median age was 34 years. For every 100 females, there were 95.6 males. For every 100 females age 18 and over, there were 92.6 males.

The median [[income]] for a household in the city was $79,274, according to the City of Rocklin website.<ref>{{Cite web|url=http://www.rocklin.ca.us/demographics|title=Demographics - City of Rocklin|website=City of Rocklin Website|language=en|access-date=February 17, 2017}}</ref> Males had a median income of $54,426 versus $35,920 for females. The per capita income for the city was $26,910. About 3.1% of families and 4.5% of the population were below the [[poverty line]], including 4.3% of those under age 18 and 3.5% of those age 65 or over.