The last preceding federal census shall be used as a basis and for the purposes of ascertaining and determining the population of the counties that may come within the provisions of sections 249.010 to 249.420.
Mo. Rev. Stat. § 249.020
Determination of population
Effective: 28 Aug 1939; (RSMo 1939 § 12680)
Official source: Missouri Revisor of Statutes. Reproduced from public-domain Missouri statutes; confirm against the official source for the current text. Not legal advice.