Monroe County, Illinois
6 cities & places have their primary county here.
- Population
- 34,969
- Median household income
- $101,635
- Median home value
- $265,600
+2.3%’19–’23
+18.5%’19–’23
+25.7%’19–’23
Monroe County is a county in Illinois with a population of 34,969. 6 cities and places have their primary county here. The median household income of $101,635 is above the Illinois median ($81,702).
From 2019 to 2023, Monroe County's population grew 2.3% from 34,168 to 34,969, while its median household income rose 18.5% from $85,747 to $101,635.
81.1% of workers drive to work alone. 82.7% of homes are single-family detached houses.
Demographics
ACS 2019–2023- Population
- 34,969
- Median age
- 42.5 yrs
- Median household income
- $101,635
- Median home value
- $265,600
- Median gross rent
- $996
- Housing units
- 14,665
- Homeownership rate
- 83.8%
- Bachelor's degree or higher
- 38.2%
- Unemployment rate
- 2.1%
Trends
ACS 5-year · 2019–202334,16834,969
$85,747$101,635
$211,300$265,600
$872$996
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 34,168 | $85,747 | $211,300 | $872 |
| 2020 | 34,444 | $89,648 | $220,600 | $846 |
| 2021 | 34,732 | $92,950 | $226,300 | $902 |
| 2022 | 34,905 | $100,685 | $254,100 | $956 |
| 2023 | 34,969 | $101,635 | $265,600 | $996 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 55.3%
5 to 1716.8%
18 to 246.7%
25 to 3410.8%
35 to 4413.6%
45 to 5412.6%
55 to 6415.4%
65 to 7411.4%
75 and over7.5%
| Count | Share | |
|---|---|---|
| Under 5 | 1,865 | 5.3% |
| 5 to 17 | 5,864 | 16.8% |
| 18 to 24 | 2,344 | 6.7% |
| 25 to 34 | 3,783 | 10.8% |
| 35 to 44 | 4,740 | 13.6% |
| 45 to 54 | 4,398 | 12.6% |
| 55 to 64 | 5,387 | 15.4% |
| 65 to 74 | 3,973 | 11.4% |
| 75 and over | 2,615 | 7.5% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 33,313 | 95.3% |
| Black or African American | 208 | 0.6% |
| American Indian & Alaska Native | 18 | 0.1% |
| Asian | 166 | 0.5% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 100 | 0.3% |
| Two or more races | 508 | 1.5% |
| Hispanic or Latino (any race) | 656 | 1.9% |
Educational attainment (age 25+)
No high school diploma4.2%
High school graduate24.2%
Some college or associate's33.3%
Bachelor's degree24.2%
Graduate or professional degree14.0%
| Count | Share | |
|---|---|---|
| No high school diploma | 1,052 | 4.2% |
| High school graduate | 6,032 | 24.2% |
| Some college or associate's | 8,294 | 33.3% |
| Bachelor's degree | 6,033 | 24.2% |
| Graduate or professional degree | 3,485 | 14.0% |
Commute to work
- Mean travel time to work
- 28 min
Drove alone81.1%
Carpooled5.0%
Public transit0.0%
Walked1.2%
Bicycle0.0%
Worked from home11.6%
Other means1.2%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 15,159 | 81.1% |
| Carpooled | 929 | 5.0% |
| Public transit | 1 | 0.0% |
| Walked | 223 | 1.2% |
| Bicycle | 0 | 0.0% |
| Worked from home | 2,171 | 11.6% |
| Other means | 216 | 1.2% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 3,934 | 23.8% |
| 15 to 29 min | 4,698 | 28.4% |
| 30 to 44 min | 4,839 | 29.3% |
| 45 to 59 min | 1,982 | 12.0% |
| 60+ min | 1,075 | 6.5% |
Households
- Average household size
- 2.51
- Poverty rate
- 4.6% (1,583 of 34,559)
| Count | Share | |
|---|---|---|
| Family households | 9,833 | 71.1% |
| Nonfamily households | 3,997 | 28.9% |
Housing
- Median year structure built
- 1990
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 13,830 | 94.3% |
| Vacant | 835 | 5.7% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 11,589 | 83.8% |
| Renter-occupied | 2,241 | 16.2% |
1-unit, detached82.7%
1-unit, attached3.8%
2 to 4 units4.2%
5 to 19 units5.7%
20 or more units1.9%
Mobile home & other1.7%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 12,127 | 82.7% |
| 1-unit, attached | 555 | 3.8% |
| 2 to 4 units | 619 | 4.2% |
| 5 to 19 units | 836 | 5.7% |
| 20 or more units | 273 | 1.9% |
| Mobile home & other | 255 | 1.7% |
Geography
- County GEOID
- 17133
- State
- Illinois
- Land area
- 385 sq mi
- Water area
- 13 sq mi
- Center point
- 38.2780, -90.1791
Cities & places
6Compare with nearby counties
5Illinois rankings
21- Largest by population in Illinois
- Most densely populated in Illinois
- Highest median household income in Illinois
- Highest median home value in Illinois
- Most affordable home values in Illinois
- Highest median gross rent in Illinois
- Cheapest median gross rent in Illinois
- Oldest by median age in Illinois
- Youngest by median age in Illinois
- Most college-educated in Illinois
- Highest poverty rate in Illinois
- Lowest poverty rate in Illinois
- Highest homeownership rate in Illinois
- Lowest homeownership rate in Illinois
- Longest commutes in Illinois
- Shortest commutes in Illinois
- Largest households in Illinois
- Newest housing in Illinois
- Oldest housing in Illinois
- Fastest-growing (2019–2023) in Illinois
- Fastest-shrinking (2019–2023) in Illinois
Other counties in Illinois
101- Adams County
- Alexander County
- Bond County
- Boone County
- Brown County
- Bureau County
- Calhoun County
- Carroll County
- Cass County
- Champaign County
- Christian County
- Clark County
- Clay County
- Clinton County
- Coles County
- Cook County
- Crawford County
- Cumberland County
- De Witt County
- DeKalb County
- Douglas County
- DuPage County
- Edgar County
- Edwards County
- Effingham County
- Fayette County
- Ford County
- Franklin County
- Fulton County
- Gallatin County
- Greene County
- Grundy County
- Hamilton County
- Hancock County
- Hardin County
- Henderson County
- Henry County
- Iroquois County
- Jackson County
- Jasper County
- Jefferson County
- Jersey County
- Jo Daviess County
- Johnson County
- Kane County
- Kankakee County
- Kendall County
- Knox County
- LaSalle County
- Lake County
- Lawrence County
- Lee County
- Livingston County
- Logan County
- Macon County
- Macoupin County
- Madison County
- Marion County
- Marshall County
- Mason County
- Massac County
- McDonough County
- McHenry County
- McLean County
- Menard County
- Mercer County
- Montgomery County
- Morgan County
- Moultrie County
- Ogle County
- Peoria County
- Perry County
- Piatt County
- Pike County
- Pope County
- Pulaski County
- Putnam County
- Randolph County
- Richland County
- Rock Island County
- Saline County
- Sangamon County
- Schuyler County
- Scott County
- Shelby County
- St. Clair County
- Stark County
- Stephenson County
- Tazewell County
- Union County
- Vermilion County
- Wabash County
- Warren County
- Washington County
- Wayne County
- White County
- Whiteside County
- Will County
- Williamson County
- Winnebago County
- Woodford County