Decades: 1180s 1190s 1200s 1210s 1220s - 1230s - 1240s 1250s 1260s 1270s 1280s
Years: 1231 1232 1233 1234 1235 - 1236 - 1237 1238 1239 1240 1241
Births
Deaths
... The median age is 34 years. For every 100 females there are 96.1 males. For every 100 females age 18 and over, there are 93.9 males. The median income for a household ...