Demographics
The 2010 United States Census reported that Fort Irwin had a population of 8,845. The population density was 1,254.1 people per square mile (484.2/km²). The racial makeup of Fort Irwin was 5,481 (62.0%) White, 1,086 (12.3%) African American, 103 (1.2%) Native American, 402 (4.5%) Asian, 120 (1.4%) Pacific Islander, 916 (10.4%) from other races, and 737 (8.3%) from two or more races. Hispanic or Latino of any race were 2,261 persons (25.6%).
The Census reported that 7,507 people (84.9% of the population) lived in households, 1,338 (15.1%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized.
There were 2,371 households, out of which 1,532 (64.6%) had children under the age of 18 living in them, 1,903 (80.3%) were opposite-sex married couples living together, 133 (5.6%) had a female householder with no husband present, 54 (2.3%) had a male householder with no wife present. There were 13 (0.5%) unmarried opposite-sex partnerships, and 15 (0.6%) same-sex married couples or partnerships. 244 households (10.3%) were made up of individuals and 3 (0.1%) had someone living alone who was 65 years of age or older. The average household size was 3.17. There were 2,090 families (88.1% of all households); the average family size was 3.41.
The population was spread out with 2,992 people (33.8%) under the age of 18, 1,888 people (21.3%) aged 18 to 24, 3,727 people (42.1%) aged 25 to 44, 224 people (2.5%) aged 45 to 64, and 14 people (0.2%) who were 65 years of age or older. The median age was 23.9 years. For every 100 females there were 132.1 males. For every 100 females age 18 and over, there were 147.9 males.
There were 2,487 housing units at an average density of 352.6 per square mile (136.1/km²), of which 18 (0.8%) were owner-occupied, and 2,353 (99.2%) were occupied by renters. The homeowner vacancy rate was 0%; the rental vacancy rate was 4.3%. 71 people (0.8% of the population) lived in owner-occupied housing units and 7,436 people (84.1%) lived in rental housing units.
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