Surname distribution maps for Eckman
Eckman in the 1881 Census
Eckman in the 21st Century
The maps, if available, show both where there are more people named Eckman and where they are most concentrated.
The darker the colour, the more people in that county are named Eckman.
The larger the dot, the greater the proportion of people in that county are named Eckman.
Hovering over the dots will give you the individual statistics for that county.