Over the previous decade, Indiana’s population center has shifted slightly to the northwest. In the 2000 U.S. Census, Indiana's center of population was located in Hamilton County, Indiana, in the town of Sheridan, Indiana. See “Population and Population Centers by State”. United States Census Bureau. 2006年11月21日閲覧。
Farley, Reynolds (1991). “The New Census Question about Ancestry:What Did It Tell Us?”. Demography28 (3): 411–429. doi:10.2307/2061465. PMID1936376.
Lieberson, Stanley; Santi, Lawrence (1985). “The Use of Nativity Data to Estimate Ethnic Characteristics and Patterns”. Social Science Research14 (1): 31–56 [pp. 44–46]. doi:10.1016/0049-089X(85)90011-0.
Lieberson, Stanley; Waters, Mary C. (1986). “Ethnic Groups in Flux:The Changing Ethnic Responses of American Whites”. Annals of the American Academy of Political and Social Science487 (79): 79–91 [pp. 82–86]. doi:10.1177/0002716286487001004.
A 2008 news report indicated there were 13 metropolitan areas in Indiana. See Dresang, Joel (2008年7月30日). “Automaking down, unemployment up”. Milwaukee Journal Sentinel. 2009年8月14日閲覧。
In an earlier 2008 report, Indiana was listed as one of the most tornado-prone states in the United States, ranking sixth, while South Bend was ranked the 14th most tornado-prone city in the country, ahead of cities such as Houston, Texas, and Wichita, Kansas. See Mecklenburg, Rick (2008年5月1日). “Is Indiana the new Tornado Alley?”. SouthBendTribune.com. 2012年8月13日閲覧。
In a published list of the most tornado-prone states and cities in April, 2008, Indiana came in first and South Bend ranked 16th. See Henderson, Mark (2008年5月2日). “Top 20 Tornado Prone Cities and States Announced”. WIFR. 2009年8月17日閲覧。
