Piatt County, Illinois Population 2019

Piatt County, Illinois's estimated population is 16,456 with a growth rate of -0.42% in the past year according to the most recent United States census data. Piatt County, Illinois is the 65th largest county in Illinois.

Year Population Growth Growth Rate
201816,396-60-0.36%
201716,456-70-0.42%
201616,5261771.08%
201516,349-59-0.36%
201416,408-21-0.13%
201316,429-71-0.43%
201216,500-177-1.06%
201116,677-32-0.19%
201016,7091,1617.47%
199015,548-1,033-6.23%
198016,5811,0726.91%
197015,5095493.67%
196014,9609907.09%
195013,970-689-4.70%
194014,659-929-5.96%
193015,588-126-0.80%
192015,714-662-4.04%
191016,376-1,330-7.51%
190017,7066443.77%
189017,0621,4799.49%
188015,5834,63042.27%
187010,9534,82678.77%
18606,1274,521281.51%
18501,6060.00%

How Many People Live in Piatt County, Illinois?

16,456

Population by Race

Race Population Percentage
White15,36893.52%
Two or More Races7714.69%
Black or African American1751.06%
Asian640.39%
Some Other Race400.24%
American Indian and Alaska Native150.09%

Piatt County, Illinois Population Pyramid 2019

Piatt County, Illinois Median Age

43


Total

41.8


Male

44.1


Female

Piatt County, Illinois Adults

There are 12,709 adults, (3,022 of whom are seniors) in Piatt County, Illinois.

Piatt County, Illinois Age Dependency

69.6

Age Dependency Ratio

31.2

Old Age Dependency Ratio

38.4

Child Dependency Ratio

Piatt County, Illinois Sex Ratio

Female

8,311

50.58%

Male

8,122

49.42%

Piatt County, Illinois Households and Families

Piatt County, Illinois Renter vs Owner Occupied by Household Type

Piatt County, Illinois Household Types

Type Owner Renter
Married90.8%9.2%
All81.7%18.3%
Non Family70.3%29.7%
Male65.3%34.7%
Female61.5%38.5%

81.7%

Rate of Home Ownership

Type Count Average Size Owned
All6,6762.4581.7
Married4,0072.9590.8
Non Family1,8191.1470.3
Female5792.961.5
Male2712.9465.3

2.88

Average Family Size

2.45

Average Household Size

4.8%

Unmarried (Opposite Sex)

0.9%

Unmarried (Same Sex)

Piatt County, Illinois Education

Education Attained Count Percentage
Less Than 9th Grade1701.47%
9th to 12th Grade4513.91%
High School Graduate3,98534.54%
Some College2,37520.58%
Associates Degree1,27111.01%
Bachelors Degree2,21419.19%
Graduate Degree1,0739.30%

Piatt County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White10,89710,3643,135
Multiple Races37231729
Hispanic12411654
Black89739
Asian332420
Other Race313131
Native American151515

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among native american people with a rate of 100.00%.

Name Average Male Female
Overall$39,920$47,166$32,659
Less Than High School$23,917$25,769$13,750
High School Grad$31,906$37,033$24,079
Some College$36,403$46,936$29,302
Bachelors Degree$50,236$64,500$43,606
Graduate Degree$58,917$92,750$52,708

$39,920

Average Earnings

$47,166

Average Male

$32,659

Average Female

Piatt County, Illinois Language

Piatt County, Illinois Language by Age

Piatt County, Illinois Language

97.76% of Piatt County, Illinois residents speak only English, while 2.24% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.07% of the population.

Piatt County, Illinois Poverty

Piatt County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White15,1767765.11%
Multiple764516.68%
Asian645078.13%
Black143117.69%
Hispanic20983.83%

5.44%

Overall Poverty Rate

4.92%

Male Poverty Rate

5.94%

Female Poverty Rate

Poverty in Piatt County, Illinois

The race most likely to be in poverty in Piatt County, Illinois is Asian, with 78.13% below the poverty level.

The race least likely to be in poverty in Piatt County, Illinois is Hispanic, with 3.83% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.30%. Among those working part-time, it was 6.66%, and for those that did not work, the poverty rate was 8.72%.

Name Poverty
Less Than High School9.59%
High School8.09%
Some College3.21%
Bachelors or Greater0.95%
Name Poverty
Female Unemployed31.94%
Male Unemployed16.98%
Male Employed3.63%
Female Employed1.69%

Piatt County, Illinois Income

Piatt County, Illinois Income by Household Type

Name Median Mean
Households$67,360$82,317
Families$80,538$95,257
Married Families$87,852-
Non Families$35,487$44,369

Piatt County, Illinois Marital Status

Piatt County, Illinois Marital Status

Marriage Rates

61.2%

Overall Marriage Rate

62.6%

Male Marriage Rate

59.8%

Female Marriage Rate

Piatt County, Illinois Married by Age and Sex

Piatt County, Illinois Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Piatt County, Illinois Marital Status by Race

Piatt County, Illinois Veterans

1,318

Number of Veterans

1,284

Male Veterans

34

Female Veterans

War Veterans
Vietnam416
First Gulf War292
Second Gulf War209
Korea131
World War II46

Piatt County, Illinois Veterans by Race

Name Veterans % of Total
White1,24710.32%
2 or More7115.88%
Hispanic21.53%

Piatt County, Illinois Veterans by Education

4.12%

Veteran Poverty Rate

29.01%

Veteran Disability Rate

Piatt County, Illinois Employment Status

68.8%

Labor Force Participation

65.6%

Employment Rate

4.5%

Unemployment Rate

Piatt County, Illinois Place of Birth

Origin of Non Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

83.19%

Born in Illinois

98.83%

Native Born

1.17%

Foreign Born

0.67%

Non Citizen

Place of Birth

98.83% of Piatt County, Illinois residents were born in the United States, with 83.19% having been born in Illinois. 0.67% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Population of Cities in Piatt County, Illinois

City 2010 Census 2016 Estimated Growth Growth Rate
Monticello55485585370.67%
Bement17301696-34-1.97%
Cerro Gordo14031363-40-2.85%
Atwood 12221185-37-3.03%
Mansfield906876-30-3.31%
Hammond509488-21-4.13%
De Land446428-18-4.04%
Ivesdale 267265-2-0.75%
Cisco261257-4-1.53%
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990