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Table 4 Comparison of underserved areas (Percent figures reflect proportion of state totals)

From: Measuring geographic access to health care: raster and network-based methods

Underserved areas Raster % Network %
Area (km2) 52,971 35 40,043 26
Number of unique areas 223   386  
Number of zip codes 410 42 316 32
Total population (zip code) 2,258,452 23 1,280,257 13