Grand Detour is a CDP located in Lee County Illinois. Grand Detour has a 2024 population of 281. Grand Detour is currently declining at a rate of -3.44% annually and its population has decreased by -19.94% since the most recent census, which recorded a population of 351 in 2020.
The average household income in Grand Detour is $89,489 with a poverty rate of 7.28%. The median age in Grand Detour is 49.4 years: 54.3 years for males, and 44.2 years for females.
According to the most recent ACS, the racial composition of Grand Detour was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 216 | 71.52% |
| Two or more races | 64 | 21.19% |
| Other race | 22 | 7.28% |
| Black or African American | 0 | 0% |
| Native American | 0 | 0% |
| Asian | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Two or more races
Other race
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 148 | 2.04 | 89.9 | 10.1 |
| Married | 67 | 2.34 | 100 | 0 |
| Non Family | 49 | 0 | 69.4 | 30.6 |
| Male | 32 | 3 | 100 | 0 |
| Female | 0 | 0 | 0 | 0 |
2.56
Average Family Size
2.04
Average Household Size
89.9%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 9 | 4.02% |
| Associates Degree | 15 | 6.7% |
| Bachelors Degree | 93 | 41.52% |
| Graduate Degree | 8 | 3.57% |
| High School Graduate | 59 | 26.34% |
| Less Than 9th Grade | 0 | 0% |
| Some College | 40 | 17.86% |
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
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 202 | 193 | 101 |
| Other Race | 22 | 22 | 0 |
| Hispanic | 22 | 22 | 0 |
The highest rate of high school graduation is among other race people with a rate of 100%.
The highest rate of bachelors degrees is among white people with a rate of 50%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $54,583 | $54,444 | $0 |
| Graduate Degree | $0 | $0 | $0 |
| High School Graduate | $0 | $0 | $0 |
| Less Than 9th Grade | $0 | $0 | $0 |
| Overall | $54,167 | $58,086 | $0 |
| Some College | $105,781 | $106,484 | $0 |
$54,167
Average Earnings
$58,086
Average Male
$0
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
100% of Grand Detour residents speak only English, while 0% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| Other | 22 | 22 | 100% |
| Hispanic | 86 | 22 | 25.58% |
7.28%
Overall Poverty Rate
11.76%
Male Poverty Rate
0%
Female Poverty Rate
The race most likely to be in poverty in Grand Detour is Other, with 100% below the poverty level.
The race least likely to be in poverty in Grand Detour is Hispanic, with 25.58% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 0%, and for those that did not work, the poverty rate was 18.64%.
rate
Rate | Poverty |
|---|---|
| High School | 37.29% |
| Less Than 9th Grade | 0% |
| Some College | 0% |
| Bachelors or Greater | 0% |
rate
Rate | Poverty |
|---|---|
| Male Employed | 0% |
| Male Unemployed | 0% |
| Female Employed | 0% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $121,484 | $123,734 |
| Households | $71,953 | $89,489 |
| Married Families | $129,875 | $-999,999,999 |
| Non Families | - | $20,300 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
46.5%
Overall Marriage Rate
41.7%
Male Marriage Rate
55.4%
Female Marriage Rate
male
female
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 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
15
Number of Veterans
15
Male Veterans
0
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 8 |
| Korea | 7 |
| Second Gulf War | 0 |
| First Gulf War | 0 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 65 to 74 | 8 |
| 75+ | 7 |
| 18 to 34 | 0 |
| 35 to 54 | 0 |
| 55 to 64 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 15 | 7.43% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
46.67%
Veteran Disability Rate
LaborForceParticipation
60.4%
Labor Force Participation
50.3%
Employment Rate
16.7%
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
83.11%
Born in Grand Detour
97.35%
Native Born
2.65%
Foreign Born
2.65%
Non Citizen
0%
Naturalized
97.35% of Grand Detour residents were born in the United States, with 83.11% having been born in Illinois. 2.65% of residents are not US citizens. Of those not born in the United States, the largest percentage are from North America.
Year | Population | Growth | Change |
|---|---|---|---|
| 2024 | 281 | -10 | -3.44% |
| 2023 | 291 | -11 | -3.64% |
| 2022 | 302 | -77 | -20.32% |
| 2021 | 379 | 28 | 7.98% |
| 2020 | 351 | 6 | 1.74% |
| 2019 | 345 | -139 | -28.72% |
| 2018 | 484 | -23 | -4.54% |
| 2017 | 507 | 18 | 3.68% |
| 2016 | 489 | -59 | -10.77% |
| 2015 | 548 | 154 | 39.09% |
| 2014 | 394 | 5 | 1.29% |
| 2013 | 389 | -80 | -17.06% |
| 2012 | 469 | -34 | -6.76% |
| 2011 | 503 | 74 | 17.25% |
| 2010 | 429 | 0 | 0% |