City summary
What the indexed records say
Fernandina Beach has 1 published ZIP profile across Nassau County. The indexed median is 221 PPM, compared with 280 PPM across Florida.
Among the 290 Floridacities with an indexed median, Fernandina Beach ranks #190from highest to lowest. Across all 603 state ZIP profiles, available estimates run from 20to 374.5 PPM.
Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community.