State
County
Land Area (mi²)
16.5 sq mi
Density (mi²)
1,050.60/sq mi
2020 Growth Rate
-0.47%
Growth Since 2010
0.95%
Rank in State
Rank in Country
Metro Population
133,904
Marion is a city located in Williamson County Illinois. It is also the county seat of Williamson County. With a 2020 population of 17,356, it is the 147th largest city in Illinois and the 2089th largest city in the United States . Marion is currently declining at a rate of -0.47% annually but its population has increased by 0.95% since the most recent census, which recorded a population of 17,193 in 2010. Marion reached it's highest population of 17,757 in 2013. Spanning over 17 miles, Marion has a population density of 1,051 people per square mile.
The average household income in Marion is $62,472 with a poverty rate of 18.53%. The median rental costs in recent years comes to $740 per month, and the median house value is $115,500. The median age in Marion is 39.3 years, 36.2 years for males, and 41.9 years for females.
According to the most recent ACS, the racial composition of Marion was:
2019 and 2020 population is estimated by projecting the raw 2018 numbers.
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2021 | 133,904 | -930 | -0.69% |
| 2020 | 134,834 | -930 | -0.69% |
| 2019 | 135,764 | -930 | -0.69% |
| 2018 | 136,694 | -658 | -0.48% |
| 2017 | 137,352 | -1,282 | -0.93% |
| 2016 | 138,634 | -785 | -0.57% |
| 2015 | 139,419 | -239 | -0.17% |
| 2014 | 139,658 | -419 | -0.30% |
| 2013 | 140,077 | 1,379 | 0.98% |
| 2012 | 138,698 | -1,258 | -0.91% |
| 2011 | 139,956 | 547 | 0.39% |
| 2010 | 139,409 | 0.00% |
| Race | Population | Percentage |
|---|---|---|
| White | 15,007 | 85.29% |
| Black or African American | 1,525 | 8.67% |
| Two or More Races | 767 | 4.36% |
| Asian | 199 | 1.13% |
| Some Other Race | 70 | 0.40% |
| Native Hawaiian and Other Pacific Islander | 21 | 0.12% |
| American Indian and Alaska Native | 6 | 0.03% |
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 7,479 | 2.29 | 54.8 |
| Non Family | 3,257 | 1.25 | 37.9 |
| Married | 2,911 | 2.93 | 82.3 |
| Female | 974 | 3.5 | 32.5 |
| Male | 337 | 3.31 | 44.5 |
2.98
Average Family Size
2.29
Average Household Size
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 287 | 2.31% |
| 9th to 12th Grade | 592 | 4.77% |
| High School Graduate | 3,934 | 31.67% |
| Some College | 3,616 | 29.11% |
| Associates Degree | 1,177 | 9.47% |
| Bachelors Degree | 1,509 | 12.15% |
| Graduate Degree | 1,308 | 10.53% |
| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 10,893 | 10,096 | 2,445 |
| Black | 1,074 | 1,022 | 255 |
| 2+ Races | 194 | 184 | 52 |
| Asian | 178 | 178 | 65 |
| Hispanic | 168 | 154 | 84 |
| Islander | 21 | 21 | |
| Other Race | 8 | 8 | |
| Native American | 6 |
The highest rate of high school graduation is among asian people with a rate of 100.00%.
The highest rate of bachelors degrees is among hispanic people with a rate of 50.00%.
$33,738
Average Earnings
$42,586
Average Male
$28,198
Average Female
97.12% of Marion residents speak only English, while 2.88% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.58% of the population.
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 14,330 | 2,265 | 15.81% |
| Black | 1,418 | 357 | 25.18% |
| Multiple | 761 | 351 | 46.12% |
| Hispanic | 399 | 159 | 39.85% |
| Asian | 199 | 26 | 13.07% |
| Islander | 21 | 21 | 100.00% |
18.53%
Overall Poverty Rate
16.67%
Male Poverty Rate
20.26%
Female Poverty Rate
The race most likely to be in poverty in Marion is Islander, with 100.00% below the poverty level.
The race least likely to be in poverty in Marion is Asian, with 13.07% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.02%. Among those working part-time, it was 24.79%, and for those that did not work, the poverty rate was 22.52%.
44.2%
Overall Marriage Rate
46.6%
Male Marriage Rate
42.0%
Female Marriage Rate
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.
| Name | Veterans | % of Total |
|---|---|---|
| White | 1,372 | 11.55% |
| Black | 114 | 9.46% |
| 2+ Races | 27 | 10.98% |
| Hispanic | 11 | 4.93% |
5.63%
Veteran Poverty Rate
35.30%
Veteran Disability Rate
53.9%
Labor Force Participation
50.7%
Employment Rate
5.5%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
98.24%
Native Born
1.76%
Foreign Born
1.00%
Non Citizen
0.76%
Naturalized
98.24% of Marion residents were born in the United States, with 76.16% having been born in Illinois. 1.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
| Year | Population | Growth | Annual Growth Rate |
|---|---|---|---|
| 2021 | 17,356 | -82 | -0.47% |
| 2020 | 17,438 | -82 | -0.47% |
| 2019 | 17,520 | -82 | -0.47% |
| 2018 | 17,602 | 14 | 0.08% |
| 2017 | 17,588 | -69 | -0.39% |
| 2016 | 17,657 | 44 | 0.25% |
| 2015 | 17,613 | -134 | -0.76% |
| 2014 | 17,747 | -10 | -0.06% |
| 2013 | 17,757 | 398 | 2.29% |
| 2012 | 17,359 | 14 | 0.08% |
| 2011 | 17,345 | 97 | 0.56% |
| 2010 | 17,248 | 1,213 | 0.73% |
| 2000 | 16,035 | 1,490 | 0.98% |
| 1990 | 14,545 | 514 | 0.36% |
| 1980 | 14,031 | 2,307 | 1.81% |
| 1970 | 11,724 | 450 | 0.39% |
| 1960 | 11,274 | 815 | 0.75% |
| 1950 | 10,459 | 1,208 | 1.23% |
| 1940 | 9,251 | 218 | 0.24% |
| 1930 | 9,033 | -549 | -0.59% |
| 1920 | 9,582 | 2,489 | 3.05% |
| 1910 | 7,093 | 4,583 | 10.95% |
| 1900 | 2,510 | 0.00% |