Table 1.
Sociodemographic composition of Los Angeles County census tracts, 2005–2009 (N = 2,054)
| Characteristic of census tract residents | Mean (SD) | Median (IQR) |
|---|---|---|
| Percent African American | 8.7 (14.38) | 3.3 (7.84) |
| Percent White | 51.1 (21.47) | 51.0 (32.65) |
| Percent Hispanic/Latino | 46.3 (30.08) | 43.6 (54.90) |
| Percent Asian | 13.0 (15.47) | 7.99 (13.25) |
| Percent foreign born | 35.14 (15.24) | 35.25 (23.16) |
| Percent <18 years of age | 25.6 (8.04) | 25.81 (9.84) |
| Percent single-parent household | 29.1 (16.38) | 27.65 (23.76) |
| Percent with less than high school education | 26.2 (19.24) | 23.17 (33.02) |
| Percent Spanish language in household | 38.3 (27.86) | 31.64 (47.25) |
| Percent living in poverty | 15.2 (11.69) | 11.92 (15.87) |
| Median annual household income (USD) | 59,635 (30,210.6) | 53,431 (36,494) |
| Annual income per capita (USD) | 27,706 (19,556.8) | 21,383 (20,285) |
| Percent of households that received public assistance | 3.9 (4.14) | 2.57 (4.67) |
| Percent unemployed | 7.9 (4.16) | 7.31 (4.89) |
| Total population | 4,764 (1,854.85) | 4,583.5 (2,365) |
| Median age (years) | 34.5 (7.09) | 34.0 (10.0) |
| Population density per square mile | 12,588 (10,652.33) | 9,984.14 (10,325) |
SD standard deviation, IQR interquartile range, USD United States Dollars