South Wilmington is a city located in Grundy County Illinois. South Wilmington has a 2024 population of 722. South Wilmington is currently growing at a rate of 0.56% annually and its population has increased by 2.27% since the most recent census, which recorded a population of 706 in 2020.
The average household income in South Wilmington is $101,408 with a poverty rate of 11.54%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in South Wilmington is 37.3 years, 34.3 years for males, and 44.2 years for females.
According to the most recent ACS, the racial composition of South Wilmington was:
White
Asian
Two or more races
Black or African American
Native American
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 243 | 2.57 | 90.9 | 9.1 |
| Married | 138 | 3.09 | 94.9 | 5.1 |
| Non Family | 73 | 1.25 | 79.5 | 20.5 |
| Female | 17 | 3.47 | 100 | 0 |
| Male | 15 | 3.13 | 100 | 0 |
3.05
Average Family Size
2.57
Average Household Size
90.9%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among asian people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 100%.
All
Male
Female
$53,333
Average Earnings
$74,167
Average Male
$42,143
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
98.44% of South Wilmington residents speak only English, while 1.56% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 1.22% of the population.
rate
11.54%
Overall Poverty Rate
13.41%
Male Poverty Rate
9.46%
Female Poverty Rate
The race most likely to be in poverty in South Wilmington is Hispanic, with 100% below the poverty level.
The race least likely to be in poverty in South Wilmington is White, with 6.23% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.25%. Among those working part-time, it was 21.57%, and for those that did not work, the poverty rate was 17.61%.
Married
Widowed
Divorced
Separated
NeverMarried
55.3%
Overall Marriage Rate
51.1%
Male Marriage Rate
60.3%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
3.03%
Veteran Poverty Rate
33.33%
Veteran Disability Rate
LaborForceParticipation
60.7%
Labor Force Participation
58.1%
Employment Rate
4.4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
90.06%
Born in South Wilmington
98.88%
Native Born
1.12%
Foreign Born
0%
Non Citizen
1.12%
Naturalized
98.88% of South Wilmington residents were born in the United States, with 90.06% having been born in Illinois. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 742 | 4 | 0.54% |
| 2028 | 738 | 4 | 0.54% |
| 2027 | 734 | 4 | 0.55% |
| 2026 | 730 | 4 | 0.55% |
| 2025 | 726 | 4 | 0.55% |
| 2024 | 722 | 4 | 0.56% |
| 2023 | 718 | 4 | 0.56% |
| 2022 | 714 | -2 | -0.28% |
| 2021 | 716 | 10 | 1.42% |
| 2020 | 706 | 63 | 9.8% |
| 2019 | 643 | -6 | -0.92% |
| 2018 | 649 | -3 | -0.46% |
| 2017 | 652 | -4 | -0.61% |
| 2016 | 656 | -4 | -0.61% |
| 2015 | 660 | -6 | -0.9% |
| 2014 | 666 | -3 | -0.45% |
| 2013 | 669 | -5 | -0.74% |
| 2012 | 674 | -2 | -0.3% |
| 2011 | 676 | -6 | -0.88% |
| 2010 | 682 | 0 | 0% |