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Illinois / Piatt County

Get Piatt County, IL Demographics

Who knew Piatt County demographics could be so sexy? Check out Census 2010 data and current American Community Survey data for Piatt County, IL. Feast your eyes on statuesque tables, curvacous pie charts and titillating trend lines. We dare you to call Piatt County demographic data boring!

Quick Facts

Population 2010 Census 16,729 #67 in the state
Median Income 2010 for Households $55,752
Poverty Rate 7.6%
Median Age 42.6 years
Largest Racial or Ethnic Group White
Sources: Census 2010 SF1 & 2006-2010 American Community Survey 5 year estimates

Piatt County Demographics Summary

population icon With 16,729 people, Piatt County is the 67th most populated county in the state of Illinois out of 102 counties. But watch out, Piatt County, because De Witt County with 16,561 people and Mercer County with 16,434 people are right behind you.

income icon In 2010, the median household income of Piatt County residents was $55,752. Piatt County households made slightly more than Ogle County households ($55,733) and Clinton County households ($55,278) However, 7.6% of Piatt County residents live in poverty.

age icon The median age for Piatt County residents is 42.6 years young.

race icon The largest Piatt County racial/ethinic groups are White (97.3%) followed by Hispanic (1.0%) and Two or more races (0.8%).

Piatt County Race / Ethnic Groups

Non-Hispanic Population
White 16,276
Black 56
American Indian 28
Asian 49
Pacific Islander 6
Some Other Race 12
Two or More Races 135
Hispanic 167
Source: Census 2010 SF1 Table P9 Hispanic or Latino or Not Hispanic or Latino by Race
  • White
  • Black
  • Indian
  • Asian
  • Pacific Islander
  • Some Other Race
  • Two or More Races
  • Hispanic

3 Largest Piatt County Race / Ethnic Groups

  • The Piatt County White population is 16,276 persons or 97.3%.
  • The Piatt County Hispanic population is 167 persons or 1.0%.
  • The Piatt County Two or more races population is 135 persons or 0.8%.

Note: the US Census Bureau defines race and ethnicity differently from the way most people think about race and ethnicity. In a nutshell, a person's origin (or what used to be called ethnicity) is either Hispanic or Non-Hispanic. And a person's race can be white, black or African American, American Indian or Alaska Native, Asian, Native Hawaiian or Other Pacific Islander, Some Other Race or Two or More Races. For more details about race and origin data, google "US Census Bureau race and origin Census 2010."


Piatt County Median Age

Fellas, you need to start eating your Wheaties™. Piatt County ladies have a higher median age.

Median Age 42.6 years
Median Age - Females 43.8 years
Median Age - Males 41.3 years
Source: Census 2010 SF1 Table P13 Median Age by Male/Female

Under 18 and Over 65 Age Breakdown

With 24.0% of the Piatt County population under 18, Piatt County has more spring chickens than a KFC ® at dinner time.

Persons Under 18 24.0%
Persons Over 65 16.2%
Everyone else 59.8
Source: Census 2010 SF1 Table P12 Male/Female by Age
  • Under 18
  • Over 65
  • Everyone else

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