2017 Growth Rate
-0.14%
County Website
State
Founded
1821
County Seat
Vandalia
Lat/Lng
Fayette County, Illinois's estimated population is 21,535 with a growth rate of -0.14% in the past year according to the most recent United States census data. Fayette County, Illinois is the 55th largest county in Illinois.
| Year | Population | Growth | Growth Rate |
| 2018 | 21,416 | -119 | -0.55% |
| 2017 | 21,535 | -31 | -0.14% |
| 2016 | 21,566 | -467 | -2.12% |
| 2015 | 22,033 | -39 | -0.18% |
| 2014 | 22,072 | -121 | -0.55% |
| 2013 | 22,193 | 36 | 0.16% |
| 2012 | 22,157 | -217 | -0.97% |
| 2011 | 22,374 | 244 | 1.10% |
| 2010 | 22,130 | 1,237 | 5.92% |
| 1990 | 20,893 | -1,274 | -5.75% |
| 1980 | 22,167 | 1,415 | 6.82% |
| 1970 | 20,752 | -1,194 | -5.44% |
| 1960 | 21,946 | -2,636 | -10.72% |
| 1950 | 24,582 | -4,577 | -15.70% |
| 1940 | 29,159 | 5,672 | 24.15% |
| 1930 | 23,487 | -2,700 | -10.31% |
| 1920 | 26,187 | -1,888 | -6.72% |
| 1910 | 28,075 | 10 | 0.04% |
| 1900 | 28,065 | 4,698 | 20.11% |
| 1890 | 23,367 | 126 | 0.54% |
| 1880 | 23,241 | 3,603 | 18.35% |
| 1870 | 19,638 | 8,449 | 75.51% |
| 1860 | 11,189 | 3,114 | 38.56% |
| 1850 | 8,075 | 1,747 | 27.61% |
| 1840 | 6,328 | 3,624 | 134.02% |
| 1830 | 2,704 | 0.00% |
| Race | Population | Percentage |
| White | 20,496 | 93.25% |
| Black or African American | 1,132 | 5.15% |
| Two or More Races | 155 | 0.71% |
| Asian | 106 | 0.48% |
| American Indian and Alaska Native | 63 | 0.29% |
| Some Other Race | 28 | 0.13% |
41.4
39.5
43.6
There are 17,425 adults, (3,899 of whom are seniors) in Fayette County, Illinois.
Female
10,229
46.54%
Male
11,751
53.46%
| Type | Count | Average Size | Owned |
| All | 7,659 | 2.63 | 80.7 |
| Married | 4,092 | 3.13 | 91.5 |
| Non Family | 2,400 | 1.26 | 70.3 |
| Female | 694 | 3.83 | 63 |
| Male | 473 | 3.42 | 66.4 |
| Education Attained | Count | Percentage |
| Less Than 9th Grade | 959 | 6.21% |
| 9th to 12th Grade | 1,737 | 11.24% |
| High School Graduate | 6,371 | 41.23% |
| Some College | 3,169 | 20.51% |
| Associates Degree | 1,372 | 8.88% |
| Bachelors Degree | 1,316 | 8.52% |
| Graduate Degree | 527 | 3.41% |
| Name | Total | High School | Bachelors |
| White | 14,167 | 11,999 | 1,769 |
| Black | 843 | 499 | 26 |
| Hispanic | 201 | 92 | 15 |
| Multiple Races | 114 | 97 | 21 |
| Asian | 70 | 35 | 5 |
| Native American | 63 | 40 | 14 |
| Other Race | 18 |
The highest rate of high school graduation is among multiple races people with a rate of 85.09%.
The highest rate of bachelors degrees is among native american people with a rate of 22.22%.
$31,147
Average Earnings
$38,702
Average Male
$24,230
Average Female
95.83% of Fayette County, Illinois residents speak only English, while 4.17% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.16% of the population.
| Name | Total | In Poverty | Poverty Rate |
| White | 19,491 | 3,388 | 17.38% |
| Multiple | 137 | 84 | 61.31% |
| Black | 124 | 80 | 64.52% |
| Asian | 106 | 12 | 11.32% |
17.79%
Overall Poverty Rate
17.25%
Male Poverty Rate
18.33%
Female Poverty Rate
The race most likely to be in poverty in Fayette County, Illinois is Black, with 64.52% below the poverty level.
The race least likely to be in poverty in Fayette County, Illinois is Asian, with 11.32% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 4.33%. Among those working part-time, it was 22.16%, and for those that did not work, the poverty rate was 23.52%.
47.6%
Overall Marriage Rate
45.3%
Male Marriage Rate
50.4%
Female Marriage Rate
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.
| Name | Veterans | % of Total |
| White | 1,423 | 8.88% |
| Black | 41 | 3.66% |
| Asian | 17 | 24.29% |
| Hispanic | 8 | 2.84% |
| 2 or More | 4 | 2.96% |
9.58%
Veteran Poverty Rate
31.39%
Veteran Disability Rate
53%
Labor Force Participation
49.1%
Employment Rate
7.4%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
99.09%
Native Born
0.91%
Foreign Born
0.35%
Non Citizen
99.09% of Fayette County, Illinois residents were born in the United States, with 84.02% having been born in Illinois. 0.35% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
| City | 2010 Census | 2016 Estimated | Growth | Growth Rate |
| Vandalia | 7043 | 7054 | 11 | 0.16% |
| St. Elmo | 1426 | 1387 | -39 | -2.73% |
| Ramsey | 1037 | 1013 | -24 | -2.31% |
| Brownstown | 759 | 738 | -21 | -2.77% |
| Farina | 518 | 505 | -13 | -2.51% |
| St. Peter | 359 | 355 | -4 | -1.11% |
| Bingham | 83 | 82 | -1 | -1.20% |