Table 1. Characteristics of the study population.

ZIP codes (N)	418
Total population (N)	6,674,243
ZIP code population (mean)	15,967
ZIP code population (range)	2,014 to 61,099
Percentage with a primary series vaccine	Mean (SD)
Aged 5+ years	83% (10%)
5–19 years	65% (17%)
20–39 years	79% (14%)
40–64 years	85% (10%)
65+ years	100% (10%)
Percentage with a booster shot	Mean (SD)
Aged 5+ years	50% (11%)
5–19 years	24% (12%)
20–39 years	39% (12%)
40–64 years	55% (11%)
65+ years	81% (10%)
ZIP code characteristics	Mean (SD)
Median household income	$41,100 ($12,500)
% college graduates	41% (17%)
% Black, Latino, or Indigenous	19% (20%)
% essential workers	32% (6%)

Note: Mean and standard deviation (SD) of vaccination coverage and ZIP code characteristics are weighted by ZIP code population ages 5 years and older. Percent with a primary series vaccine and booster shot are as of October 10, 2022.