Lake Forest, California

==Demographics==
{{US Census population
|2000= 58707
|2010= 77264
|2020= 85858
|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>
}}

===2020===
The [[2020 United States Census]] reported a population of 85,858. The racial makeup was 63.3% [[White (U.S. Census)|White]] (47.18% [[Non-Hispanic white]]), 2.2% [[African American (U.S. Census)|African American]], 18.1% [[Asian (U.S. Census)|Asian]], and 23.2% [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race.<ref>{{Cite web |title=U.S. Census Bureau QuickFacts: Lake Forest city, California |url=https://www.census.gov/quickfacts/fact/table/lakeforestcitycalifornia/PST045221 |access-date=2022-08-17 |website=www.census.gov |language=en}}</ref>

{| class="wikitable" style="text-align:center;"
|+'''Lake Forest city, California – Racial and ethnic composition'''<br><small>{{nobold|''Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.''}}</small>
!Race / Ethnicity <small>(''NH = Non-Hispanic'')</small>
!Pop 2000<ref name=2000CensusP004>{{Cite web|title=P004 Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – Lake Forest city, California|url=https://data.census.gov/table?g=160XX00US0639496&tid=DECENNIALSF12000.P004|website=[[United States Census Bureau]]}}</ref>
!Pop 2010<ref name=2010CensusP2>{{Cite web|title=P2 Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Lake Forest city, California|url=https://data.census.gov/table?q=p2&g=160XX00US0639496&tid=DECENNIALPL2010.P2|website=[[United States Census Bureau]]}}</ref>
!{{partial|Pop 2020}}<ref name=2020CensusP2>{{Cite web|title=P2 Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Lake Forest city, California|url=https://data.census.gov/cedsci/table?q=p2&g=160XX00US0639496&tid=DECENNIALPL2020.P2|website=[[United States Census Bureau]]}}</ref>
!% 2000
!% 2010
!{{partial|% 2020}}
|-
|[[Non-Hispanic or Latino whites|White]] alone (NH)
|39,161
|44,177
|style='background: #ffffe6; |40,506
|66.71%
|57.18%
|style='background: #ffffe6; |47.18%
|-
|[[Non-Hispanic or Latino African Americans|Black or African American]] alone (NH)
|998
|1,158
|style='background: #ffffe6; |1,312
|1.70%
|1.50%
|style='background: #ffffe6; |1.53%
|-
|[[Native Americans in the United States|Native American]] or [[Alaska Native]] alone (NH)
|143
|195
|style='background: #ffffe6; |153
|0.24%
|0.25%
|style='background: #ffffe6; |0.18%
|-
|[[Asian Americans|Asian]] alone (NH)
|5,647
|9,985
|style='background: #ffffe6; |16,650
|9.62%
|12.92%
|style='background: #ffffe6; |19.39%
|-
|[[Pacific Islander Americans|Pacific Islander]] alone (NH)
|113
|172
|style='background: #ffffe6; |144
|0.19%
|0.22%
|style='background: #ffffe6; |0.17%
|-
|[[Race and ethnicity in the United States census|Some Other Race]] alone (NH)
|102
|166
|style='background: #ffffe6; |450
|0.17%
|0.21%
|style='background: #ffffe6; |0.52%
|-
|[[Multiracial Americans|Mixed Race or Multi-Racial]] (NH)
|1,630
|2,387
|style='background: #ffffe6; |4,698
|2.78%
|3.09%
|style='background: #ffffe6; |5.47%
|-
|[[Hispanic and Latino Americans|Hispanic or Latino]] (any race)
|10,913
|19,024
|style='background: #ffffe6; |21,945
|18.59%
|24.62%
|style='background: #ffffe6; |25.56%
|-
|'''Total'''
|'''58,707'''
|'''77,264'''
|style='background: #ffffe6; |'''85,858'''
|'''100.00%'''
|'''100.00%'''
|style='background: #ffffe6; |'''100.00%'''
|}

===2010===
The [[2010 United States Census]]<ref>{{cite web|url=http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0639496|archive-url=https://archive.today/20140715030419/http://www.census.gov/2010census/popmap/ipmtext.php?fl=06:0639496|url-status=dead|archive-date=July 15, 2014|title=2010 Census Interactive Population Search: CA - Lake Forest city|publisher=U.S. Census Bureau|access-date=July 12, 2014}}</ref> reported that Lake Forest had a population of 77,264. The population density was {{convert|4,315.9|PD/sqmi|PD/km2|sp=us|adj=off}}. The racial makeup of Lake Forest was 54,341 (70.3%) [[White (U.S. Census)|White]] (57.2% Non-Hispanic White),<ref name="quickfacts.census.gov">{{cite web|url=http://quickfacts.census.gov/qfd/states/06/0639496.html|title=Population estimates, July 1, 2015, (V2015)|access-date=July 16, 2016|archive-url=https://web.archive.org/web/20160217102108/http://quickfacts.census.gov/qfd/states/06/0639496.html|archive-date=February 17, 2016|url-status=dead}}</ref> 1,295 (1.7%) [[African American (U.S. Census)|African American]], 384 (0.5%) [[Native American (U.S. Census)|Native American]], 10,115 (13.1%) [[Asian (U.S. Census)|Asian]], 191 (0.2%) [[Pacific Islander (U.S. Census)|Pacific Islander]], 7,267 (9.4%) from [[Race (United States Census)|other races]], and 3,671 (4.8%) from two or more races. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 19,024 persons (24.6%).

The Census reported that 76,749 people (99.3% of the population) lived in households, 299 (0.4%) lived in non-institutionalized group quarters, and 216 (0.3%) were institutionalized.

There were 26,224 households, out of which 10,407 (39.7%) had children under the age of 18 living in them, 15,603 (59.5%) were married couples, 2,710 (10.3%) had a female householder with no husband present, 1,299 (5.0%) had a male householder with no wife present.  There were 1,217 (4.6%) unmarried partnerships, and 201 (0.8%)same-sex couples. 4,883 households (18.6%) were made up of individuals, and 1,432 (5.5%) had someone living alone who was 65 years of age or older. The average household size was 2.93.  There were 19,612 [[family (U.S. Census)|families]] (74.8% of all households); the average family size was 3.30.

The population was spread out, with 19,115 people (24.7%) under the age of 18, 6,775 people (8.8%) aged 18 to 24, 22,099 people (28.6%) aged 25 to 44, 22,184 people (28.7%) aged 45 to 64, and 7,091 people (9.2%) who were 65 years of age or older.  The median age was 37.2 years. For every 100 females, there were 98.7 males.  For every 100 females age 18 and over, there were 96.5 males.

There were 27,088 housing units at an average density of {{convert|1,513.1|/sqmi|/km2|sp=us|adj=off}}, of which 18,579 (70.8%) were owner-occupied, and 7,645 (29.2%) were occupied by renters. The homeowner vacancy rate was 1.3%; the rental vacancy rate was 4.3%.  54,082 people (70.0% of the population) lived in owner-occupied housing units and 22,667 people (29.3%) lived in rental housing units.

===2000===
As of the [[census]]<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> of 2000, there were 58,707 people, 20,008 households, and 14,745 families residing in the city. The population density was {{convert|4,698.8|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 20,486 housing units at an average density of {{convert|1,639.7|/sqmi|/km2|sp=us|adj=off}}. The racial makeup of the city was 76.02% [[White (U.S. Census)|White]], 1.83% [[African American (U.S. Census)|African American]], 0.50% [[Native American (U.S. Census)|Native American]], 9.70% [[Asian (U.S. Census)|Asian]], 0.20% [[Pacific Islander (U.S. Census)|Pacific Islander]], 7.51% from [[Race (United States Census)|other races]], and 4.24% from two or more races. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 18.59% of the population.

There were 20,008 households, out of which 39.2% had children under the age of 18 living with them, 59.1% were [[Marriage|married couples]] living together, 10.3% had a female householder with no husband present, and 26.3% were non-families. 19.4% of all households were made up of individuals, and 5.1% had someone living alone who was 65 years of age or older. The average household size was 2.89 and the average family size was 3.31.

In the city, the population was spread out, with 27.0% under the age of 18, 8.0% from 18 to 24, 33.3% from 25 to 44, 23.2% from 45 to 64, and 8.6% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 96.7 males. For every 100 females age 18 and over, there were 93.6 males.

According to a 2007 estimate, the median income for a household in the city was $86,285, and the median income for a family was $96,133.<ref>{{cite web|title=2007 American Community Survey 1-Year Estimate|url=http://factfinder.census.gov/servlet/STTable?_bm=y&-context=st&-qr_name=ACS_2007_1YR_G00_S1901&-ds_name=ACS_2007_1YR_G00_&-CONTEXT=st&-tree_id=307&-redoLog=false&-_caller=geoselect&-geo_id=16000US0639496&-format=&-_lang=en|work=[[US Census Bureau]]|access-date=May 3, 2009|archive-url=https://archive.today/20200212054841/http://factfinder.census.gov/servlet/STTable?_bm=y&-context=st&-qr_name=ACS_2007_1YR_G00_S1901&-ds_name=ACS_2007_1YR_G00_&-CONTEXT=st&-tree_id=307&-redoLog=false&-_caller=geoselect&-geo_id=16000US0639496&-format=&-_lang=en|archive-date=February 12, 2020|url-status=dead}}</ref> Males had a median income of $52,019 versus $37,100 for females. The [[per capita income]] for the city was $28,583. About 3.2% of families and 5.3% of the population were below the [[poverty line]], including 5.0% of those under age 18 and 4.4% of those age 65 or over.