RANKING · 2010 CENSUS · 33 SHOWN OF 33

Highest Australian population share, Indiana counties · 2010

Indiana counties ranked by the share of all residents who are Australian ancestry (2010 American Community Survey). A concentration measure: Australian residents as a percentage of total population. This list covers the 33 counties in Indiana that qualify, ranked against each other statewide.

Australian Americans: full group profile →

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RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

Highest Australian population share by state

RANKPLACESTATEPOPAUSTRALIAN SHAREVS –

01Jennings County, ININ27,6220.4%–

02Gibson County, ININ33,0910.4%–

03Switzerland County, ININ10,0370.3%–

04Putnam County, ININ37,8760.1%–

05DeKalb County, ININ44,5350.1%–

06Tippecanoe County, ININ190,4560.1%–

07Hancock County, ININ90,9690.0%–

08Carroll County, ININ20,6550.0%–

09Monroe County, ININ143,3450.0%–

10Delaware County, ININ113,1060.0%–

11Hamilton County, ININ387,0360.0%–

12Warren County, ININ8,4740.0%–

13Hendricks County, ININ193,5100.0%–

14Cass County, ININ37,8360.0%–

15Marion County, ININ992,1960.0%–

16Shelby County, ININ45,8820.0%–

17Newton County, ININ14,1880.0%–

18Vanderburgh County, ININ181,9950.0%–

19Jackson County, ININ47,3700.0%–

20Howard County, ININ83,9040.0%–

21Grant County, ININ66,5240.0%–

22Whitley County, ININ35,0460.0%–

23Miami County, ININ34,4870.0%–

24Pike County, ININ12,0030.0%–

25Allen County, ININ402,3290.0%–

26Porter County, ININ176,0490.0%–

27Clark County, ININ130,4510.0%–

28Lake County, ININ504,6120.0%–

29Kosciusko County, ININ80,8920.0%–

30Madison County, ININ135,0880.0%–

31St. Joseph County, ININ272,8610.0%–

32LaPorte County, ININ111,2940.0%–

33Johnson County, ININ174,2620.0%–

SHOWING 1–33 OF 33

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS