2020
The 2020 United States census reported that Lenwood had a population of 3,623. The population density was 1,741.0 inhabitants per square mile (672.2/km2). The racial makeup of Lenwood was 42.4% White, 9.1% African American, 2.5% Native American, 1.2% Asian, 0.9% Pacific Islander, 25.1% from other races, and 18.9% from two or more races. Hispanic or Latino of any race were 52.4% of the population. [11]
The whole population lived in households. There were 1,162 households, out of which 41.1% included children under the age of 18, 42.3% were married-couple households, 8.0% were cohabiting couple households, 28.9% had a female householder with no partner present, and 20.7% had a male householder with no partner present. 23.0% of households were one person, and 8.5% were one person aged 65 or older. The average household size was 3.12. [11] There were 824 families (70.9% of all households). [12]
The age distribution was 32.1% under the age of 18, 8.9% aged 18 to 24, 25.8% aged 25 to 44, 20.9% aged 45 to 64, and 12.4% who were 65 years of age or older. The median age was 31.4 years. For every 100 females, there were 95.8 males. [11]
There were 1,237 housing units at an average density of 594.4 units per square mile (229.5 units/km2), of which 1,162 (93.9%) were occupied. Of these, 51.2% were owner-occupied, and 48.8% were occupied by renters. [11]
In 2023, the US Census Bureau estimated that the median household income was $70,714, and the per capita income was $23,690. About 17.3% of families and 18.0% of the population were below the poverty line. [13]
2010
At the 2010 census Lenwood had a population of 3,543. The population density was 1,600.6 inhabitants per square mile (618.0/km2). The racial makeup of Lenwood was 2,133 (60.2%) White (41.6% Non-Hispanic White), [14] 219 (6.2%) African American, 94 (2.7%) Native American, 37 (1.0%) Asian, 25 (0.7%) Pacific Islander, 813 (22.9%) from other races, and 222 (6.3%) from two or more races. Hispanic or Latino of any race were 1,675 persons (47.3%). [15]
The whole population lived in households, no one lived in non-institutionalized group quarters and no one was institutionalized.
There were 1,133 households, 524 (46.2%) had children under the age of 18 living in them, 543 (47.9%) were opposite-sex married couples living together, 214 (18.9%) had a female householder with no husband present, 101 (8.9%) had a male householder with no wife present. There were 122 (10.8%) unmarried opposite-sex partnerships, and 11 (1.0%) same-sex married couples or partnerships. 206 households (18.2%) were one person and 66 (5.8%) had someone living alone who was 65 or older. The average household size was 3.13. There were 858 families (75.7% of households); the average family size was 3.50.
The age distribution was 1,158 people (32.7%) under the age of 18, 356 people (10.0%) aged 18 to 24, 919 people (25.9%) aged 25 to 44, 801 people (22.6%) aged 45 to 64, and 309 people (8.7%) who were 65 or older. The median age was 29.4 years. For every 100 females, there were 99.9 males. For every 100 females age 18 and over, there were 98.9 males.
There were 1,282 housing units at an average density of 579.2 per square mile, of the occupied units 636 (56.1%) were owner-occupied and 497 (43.9%) were rented. The homeowner vacancy rate was 3.5%; the rental vacancy rate was 8.3%. 1,822 people (51.4% of the population) lived in owner-occupied housing units and 1,721 people (48.6%) lived in rental housing units.
According to the 2010 United States Census, Lenwood had a median household income of $44,375, with 25.5% of the population living below the federal poverty line. [16]
United States 
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