2017 Growth Rate
-0.42%
County Website
State
Founded
1841
County Seat
Monticello
Lat/Lng
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 |
|---|---|---|---|
| 2018 | 16,396 | -60 | -0.36% |
| 2017 | 16,456 | -70 | -0.42% |
| 2016 | 16,526 | 177 | 1.08% |
| 2015 | 16,349 | -59 | -0.36% |
| 2014 | 16,408 | -21 | -0.13% |
| 2013 | 16,429 | -71 | -0.43% |
| 2012 | 16,500 | -177 | -1.06% |
| 2011 | 16,677 | -32 | -0.19% |
| 2010 | 16,709 | 1,161 | 7.47% |
| 1990 | 15,548 | -1,033 | -6.23% |
| 1980 | 16,581 | 1,072 | 6.91% |
| 1970 | 15,509 | 549 | 3.67% |
| 1960 | 14,960 | 990 | 7.09% |
| 1950 | 13,970 | -689 | -4.70% |
| 1940 | 14,659 | -929 | -5.96% |
| 1930 | 15,588 | -126 | -0.80% |
| 1920 | 15,714 | -662 | -4.04% |
| 1910 | 16,376 | -1,330 | -7.51% |
| 1900 | 17,706 | 644 | 3.77% |
| 1890 | 17,062 | 1,479 | 9.49% |
| 1880 | 15,583 | 4,630 | 42.27% |
| 1870 | 10,953 | 4,826 | 78.77% |
| 1860 | 6,127 | 4,521 | 281.51% |
| 1850 | 1,606 | 0.00% |
| Race | Population | Percentage |
|---|---|---|
| White | 15,955 | 97.13% |
| Two or More Races | 264 | 1.61% |
| Black or African American | 90 | 0.55% |
| Asian | 74 | 0.45% |
| Some Other Race | 34 | 0.21% |
| American Indian and Alaska Native | 10 | 0.06% |
43
41.9
43.9
There are 12,725 adults, (3,103 of whom are seniors) in Piatt County, Illinois.
Female
8,347
50.81%
Male
8,080
49.19%
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 6,700 | 2.44 | 81.8 |
| Married | 3,954 | 2.97 | 91.7 |
| Non Family | 1,925 | 1.11 | 69.6 |
| Female | 541 | 3.03 | 64.3 |
| Male | 280 | 3.04 | 58.9 |
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 196 | 1.69% |
| 9th to 12th Grade | 545 | 4.70% |
| High School Graduate | 3,949 | 34.07% |
| Some College | 2,336 | 20.15% |
| Associates Degree | 1,328 | 11.46% |
| Bachelors Degree | 2,113 | 18.23% |
| Graduate Degree | 1,125 | 9.70% |
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%.
$40,742
Average Earnings
$49,087
Average Male
$34,426
Average Female
97.49% of Piatt County, Illinois residents speak only English, while 2.51% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.98% of the population.
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 15,771 | 880 | 5.58% |
| Asian | 74 | 57 | 77.03% |
| Multiple | 264 | 19 | 7.20% |
| Black | 53 | 11 | 20.75% |
| Hispanic | 213 | 8 | 3.76% |
5.94%
Overall Poverty Rate
5.37%
Male Poverty Rate
6.49%
Female Poverty Rate
The race most likely to be in poverty in Piatt County, Illinois is Asian, with 77.03% below the poverty level.
The race least likely to be in poverty in Piatt County, Illinois is Hispanic, with 3.76% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.47%. Among those working part-time, it was 7.15%, and for those that did not work, the poverty rate was 10.38%.
60.8%
Overall Marriage Rate
62.8%
Male Marriage Rate
58.9%
Female Marriage Rate
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.
| Name | Veterans | % of Total |
|---|---|---|
| White | 1,152 | 9.26% |
| 2 or More | 16 | 12.21% |
| Hispanic | 3 | 2.17% |
5.65%
Veteran Poverty Rate
28.25%
Veteran Disability Rate
67.8%
Labor Force Participation
64.9%
Employment Rate
4.2%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
98.85%
Native Born
1.15%
Foreign Born
0.56%
Non Citizen
98.85% of Piatt County, Illinois residents were born in the United States, with 82.94% having been born in Illinois. 0.56% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
| City | 2010 Census | 2016 Estimated | Growth | Growth Rate |
|---|---|---|---|---|
| Monticello | 5548 | 5585 | 37 | 0.67% |
| Bement | 1730 | 1696 | -34 | -1.97% |
| Cerro Gordo | 1403 | 1363 | -40 | -2.85% |
| Atwood | 1222 | 1185 | -37 | -3.03% |
| Mansfield | 906 | 876 | -30 | -3.31% |
| Hammond | 509 | 488 | -21 | -4.13% |
| De Land | 446 | 428 | -18 | -4.04% |
| Ivesdale | 267 | 265 | -2 | -0.75% |
| Cisco | 261 | 257 | -4 | -1.53% |