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