Camp Pendleton Mainside, California

Camp Pendleton Mainside is a census-designated place (CDP) in San Diego County, California, located at the southeast corner of Marine Corps Base Camp Pendleton. Per the 2020 census, the population was 9,683. It was formerly known as Camp Pendleton North, but its name was changed for the 2020 Census. Along with Camp Pendleton South, it is one of two CDPs located on the base.

Geography

Camp Pendleton Mainside is located at (33.304869, −117.306125).

According to the United States Census Bureau, the CDP has a total area of . of it is land and of it (1.85%) is water. 1860–1870 1880-1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 2020

!Pop 2010

!% 2000

!% 2010

|White alone (NH)

|4,886

|3,047

|style='background: #ffffe6; |4,920

|59.61%

|58.60%

|style='background: #ffffe6; |50.81%

|Black or African American alone (NH)

|848

|461

|style='background: #ffffe6; |990

|10.35%

|8.87%

|style='background: #ffffe6; |10.22%

|Native American or Alaska Native alone (NH)

|102

|72

|style='background: #ffffe6; |97

|1.24%

|1.38%

|style='background: #ffffe6; |1.00%

|Asian alone (NH)

|223

|143

|style='background: #ffffe6; |387

|2.72%

|2.75%

|style='background: #ffffe6; |4.00%

|Native Hawaiian or Pacific Islander alone (NH)

|24

|78

|style='background: #ffffe6; |112

|0.29%

|1.50%

|style='background: #ffffe6; |1.16%

|Other race alone (NH)

|14

|style='background: #ffffe6; |19

|0.17%

|style='background: #ffffe6; |0.20%

|Mixed race or Multiracial (NH)

|246

|233

|style='background: #ffffe6; |253

|3.00%

|4.48%

|style='background: #ffffe6; |2.61%

|Hispanic or Latino (any race)

|1,854

|1,157

|style='background: #ffffe6; |2,905

|22.62%

|22.25%

|style='background: #ffffe6; |30.00%

|Total

|8,197

|5,200

|style='background: #ffffe6; |9,683

|100.00%

|style='background: #ffffe6; |100.00%

2020 census

As of the 2020 census, Camp Pendleton Mainside had a population of 9,683 and a population density of .

The age distribution was 11.1% under the age of 18, 67.2% aged 18 to 24, 19.8% aged 25 to 44, 1.1% aged 45 to 64, and 0.8% aged 65 or older. The median age was 21.9 years. For every 100 females there were 308.2 males, and for every 100 females age 18 and over there were 360.7 males.

There were 841 households, of which 65.8% had children under the age of 18 living in them. Of all households, 88.2% were married-couple households, 0.7% were cohabiting-couple households, 4.4% had a male householder with no spouse or partner present, and 6.7% had a female householder with no spouse or partner present. About 4.2% of all households were made up of individuals and 0.1% had someone living alone who was 65 years of age or older. The average household size was 3.26, and there were 796 families (94.6% of all households).

2010 census

At the 2010 census Camp Pendleton North had a population of 5,200. The population density was . The racial makeup of Camp Pendleton North was 3,730 (71.7%) White, 501 (9.6%) African American, 83 (1.6%) Native American, 151 (2.9%) Asian, 80 (1.5%) Pacific Islander, 305 (5.9%) from other races, and 350 (6.7%) from two or more races. Hispanic or Latino of any race were 1,157 persons (22.3%).

The census reported that 3,561 people (68.5% of the population) lived in households, 1,627 (31.3%) lived in non-institutionalized group quarters, and 12 (0.2%) were institutionalized.

There were 1,069 households, 817 (76.4%) had children under the age of 18 living in them, 921 (86.2%) were opposite-sex married couples living together, 104 (9.7%) had a female householder with no husband present, 13 (1.2%) had a male householder with no wife present. There were 7 (0.7%) unmarried opposite-sex partnerships, and 5 (0.5%) same-sex married couples or partnerships. 29 households (2.7%) were one person and 1 (0.1%) had someone living alone who was 65 or older. The average household size was 3.33. There were 1,038 families (97.1% of households); the average family size was 3.39.

The age distribution was 1,502 people (28.9%) under the age of 18, 2,376 people (45.7%) aged 18 to 24, 1,235 people (23.8%) aged 25 to 44, 76 people (1.5%) aged 45 to 64, and 11 people (0.2%) who were 65 or older. The median age was 21.3 years. For every 100 females, there were 177.6 males. For every 100 females age 18 and over, there were 218.2 males.

There were 1,259 housing units at an average density of 139.0 per square mile, of the occupied units 16 (1.5%) were owner-occupied and 1,053 (98.5%) were rented. The homeowner vacancy rate was 0%; the rental vacancy rate was 15.2%. 49 people (0.9% of the population) lived in owner-occupied housing units and 3,512 people (67.5%) lived in rental housing units.

Government

In the California State Legislature, Camp Pendleton Mainside is in , and in .

In the United States House of Representatives, Camp Pendleton Mainside is in .

Education

The CDP is mostly in the Fallbrook Union Elementary School District and the Fallbrook Union High School District. A piece of the CDP is in the Oceanside Unified School District. The Camp Pendleton property does not have any Department of Defense Education Activity (DoDEA) schools. The Fallbrook HSD operates Fallbrook High School. OUSD on-post properties of Marine Corps Base Camp Pendleton are assigned to Oceanside High School.