The census showed a population for Wisconsin Territory of 30,744 (1879 history, legislative chapter), 30,749 (1879 history, another chapter), or "only thirty thousand" (1879 history, a third passage) — the sources disagree.

The evidence

• “One of the subjects occupying largely the attention of the members, was the condition of the capitol, and the conduct of the commissioners intrusted with the money appropriated by congress to defray the cost of its construction. The legislature adjourned on the thirteenth of January, 1840, to meet again on the third of the ensuing August. The completion of the census showed a population for the Territory of thirty thousand seven hundred and forty-four, against eighteen thousand one hundred and thirty, two years previous. Upon the re-assembling of the legislature— which is known as the extra session of the second legislative assembly — at the time agreed upon, some changes were made in the ^apportionment of members to the house of representatives ; the session lasted but a few days, a final adjournment taking place on the fourteenth of August, 1840. At the July term of the supreme court, Simeon Mills resigned the office of clerk, and La Fayette Kellogg was appointed in his place. Kellogg continued to hold the posi, tion until the state judiciary was organized. At the ensuing election, James Duane Doty was re-elected Territorial delegate, taking his seat for the first time under his ”

  1879-history-of-rock-county/01-wisconsin-antiquities-indians-territory.md, PDF p. 44 / book p. 48

  Butterfield, C. W., et al. The History of Rock County, Wisconsin: its early settlement, growth, development, resources, etc. Chicago: Western Historical Company, 1879. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871585.

  Grade A: Found on a page of one of our sources