Table 3.

Frequency of different classes of poverty levels at the census tract, zip code, and county levels.

Poverty Level		High SES (0-9.99%)	Middle SES (10.00-19.99%)	Low SES (≥20.00%)
Census Tract (4338)	N	1613	1445	1330
	Percentage	36.76	32.93	30.31
Zip Code (2884)	N	1045	1181	658
	Percentage	36.23	40.95	22.82
County (254)	N	22	175	57
	Percentage	8.66	68.90	22.44

Percentage was derived by the number of geographic units for each SES level divided by the total number of units at each geographic level.