Statistics for the former Kingdom of Württemberg's four departments (Kreise) appear below:
The mean annual population increase from 1900 to 1905 amounted to 1.22%. 8.5% of the births occurred out of wedlock.
Classified according to religion circa 1905, about 69% of the population professed Protestantism, 30% Roman Catholicism, and about 0.5% Judaism. Protestants largely preponderated in the Neckar district, Roman Catholics in that of the Danube.
The people of the north-west represent Alamannic stock, those of the north-east Franconian, and those of the centre and south Swabian.
In 1910, 506,061 persons worked in the agricultural sector, 432,114 in industrial occupations, and 100,109 in trade and commerce.
The largest towns in the Kingdom of Württemberg included: Stuttgart (with Cannstadt), Ulm, Heilbronn, Esslingen, Reutlingen, Ludwigsburg, Goppingen, Schwäbisch-Gmünd, Tübingen, Tuttlingen and Ravensburg.