The aim of this article is to analyse population development in the district´s area in the period of 1880-1910. The demographical transition continued in Bohemia until the end of the 19th century with changing populations and reproductive behaviour. The political district of Kolín belonged among Czech areas with fairly early asserted changes. That was because of the region´s economic maturity and also the closeness to Prague, from where these new tendencies of reproductive behaviour spread. Population development was also influenced by high migration., Iva Blümelová., and Obsahuje odkazy pod čarou