Table 1.

Selected demographic variables, all ages: 1980–2000.

Variable	Spatial grid values for 84 quarters [median (IQR); range]
Total population (no.)	13,209,192 (11,847,989–14,047,041; 10,572,161–14,785,147)
Race (%)
Hispanic	14.8 (9.2–23.7; 0–78.8)
Caucasian	75.9 (61.8–84.4; 1.9–100)
African American	2.1 (0.9–4.9; 0–55.4)
Asian	2.9 (1–6.2; 0–31.6)
Other	1.5 (0.8–2.6; 0–71.7)
Residence (%)
Same house entire period	43.3 (36.5–49.5; 0–100)
Different house, same county	30.2 (24.7–35; 0–61.2)
Different California county	15.1 (6.5–25.5; 0–100)
Different state	9.3 (6.8–12.1; 0–58.5)
Unemployed (all ages)	35.3 (30.5–42.6; 17.8–72.8)
Below poverty level	9.4 (6–13.1; 0–100)

IQR, interquartile range. Range is 25th–75th percentile.