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