Indiana Population 2018
From the latest Census estimates and the current rate of change, we estimate Indiana's population in 2018 at 6.70 million.
Yearly estimates are given for states within the US, and the most recent suggests Indiana’s population had increased to 6,619,680 in 2015. The state has a population density of 181 people per square mile, which ranks it as the 16th most densely populated state in the country. Indiana has a 2016 growth rate of 0.33%, which ranks 29th.
Indiana was admitted as a state to the US in 1816, but population figures can be traced back to 1800. As for the present day, the last official census within the United States took place in 2010 and at the time, the population of Indiana was declared at 6,483,802, a rise of 6.6% on the numbers from 2000.
Indiana Population Density and Demographics
In terms of pure land mass, the state of Indiana covers an area of 36,418 square miles (94,321 square kilometers), and this makes it only the 38th largest state in the country by area. However, Indiana ranks much better in terms of numbers and population density.
Indiana Population History
Indiana was included in the Northwest Territory (1787) but became a separate territory in 1800. At that time, in addition to most of present-day Indiana, the Territory included all of Illinois and Wisconsin, the western half of Michigan, and northeastern Minnesota. In 1802 the boundary with Ohio was altered and eastern Michigan was added, but Michigan Territory was separated in 1805 and Illinois Territory in 1809, leaving Indiana Territory with the present State area except for a narrow band along the northern border; the territory also included a portion of the Michigan Upper Peninsula. On December 11, 1816 Indiana was admitted as a State with essentially its present boundaries.
In 1790 the Northwest Territory had no census coverage. The 1800 census of Indiana Territory enumerated scattered communities in southern Indiana, southwestern Illinois, northern Michigan, and Wisconsin; the populations reported from present-day Illinois and Michigan are shown under those States. In addition, Hamilton County, Ohio included some population in what is now Indiana. In 1810, census coverage of Indiana Territory was limited to southern Indiana, and coverage did not include the whole State until 1830.