Source Data Reference for:

City = Groningen
Time = 1850

City Year Size Size Comment Year Comment Author Title Location
Groningen1840 31,900Jan Lahmeyerhttp://www.populstat.info/n/a
Groningen1850 28,000Tertius ChandlerFour thousand years of urban growthp26
Groningen1850 34,000Paul BairochLa population des villes europeennes de 800 a 1850