Insarsky Uyezd
Insarsky Uyezd was one of the subdivisions of the Penza Governorate of the Russian Empire. It was situated in the northern part of the governorate. Its administrative centre was Insar.Demographics
At the time of the Russian Empire Census of 1897, Insarsky Uyezd had a population of 178,233. Of these, 69.3% spoke Russian, 23.6% Mordvin and 7.3% Tatar as their native language.
