Waterloo city, Illinois demographics
Population: 10,906
Median age: 40.4
Median household income: 79,107
Waterloo is a city in Monroe County, Illinois, United States.
Demographics, population, home values, social and economic characteristics of Waterloo city, IL.
Population
| 2021 | 10,906 |
| 2020 | 10,417 |
| 2019 | 10,367 |
| 2018 | 10,268 |
| 2017 | 10,202 |
| 2016 | 10,197 |
| 2015 | 10,151 |
| 2014 | 10,102 |
| 2013 | 10,015 |
| 2012 | 9,826 |
| 2011 | 9,749 |
| 2010 | 9,640 |
| 2009 | 9,649 |
Census data for Waterloo city, Illinois
Demographic and housing estimates in Waterloo city, Illinois
| Total population | 10,906 |
| Male | 5,323 |
| Female | 5,583 |
| Total population | 10,906 |
| Under 5 years | 727 |
| 5 to 9 years | 665 |
| 10 to 14 years | 831 |
| 15 to 19 years | 306 |
| 20 to 24 years | 609 |
| 25 to 34 years | 1,353 |
| 35 to 44 years | 1,650 |
| 45 to 54 years | 1,047 |
| 55 to 59 years | 678 |
| 60 to 64 years | 814 |
| 65 to 74 years | 1,240 |
| 75 to 84 years | 579 |
| 85 years and over | 407 |
| Median age (years) | 40.4 |
| Under 18 years | 2,415 |
| 16 years and over | 8,573 |
| 18 years and over | 8,491 |
| 21 years and over | 8,301 |
| 62 years and over | 2,722 |
| 65 years and over | 2,226 |
| Total population | 10,906 |
| One race | 10,773 |
| White | 10,483 |
| Black or African American | 51 |
| American Indian and Alaska Native | 51 |
| Asian | 170 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 18 |
| Two or more races | 133 |
| Citizen, VOTING AGE 18 and over population | 8,454 |
| Male Citizen, VOTING AGE 18 and over population | 4,092 |
| Female Citizen, VOTING AGE 18 and over population | 4,362 |
Social characteristics in Waterloo city, Illinois
| Total households | 4,366 |
| Family households (families) | 2,420 |
| Married-couple family | 232 |
| Male householder, no wife present, family | 664 |
| Female householder, no husband present, family | 417 |
| Nonfamily households | 1,050 |
| Average household size | 1,572 |
| Average family size | 2.47 |
Economic characteristics in Waterloo city, Illinois
| Total households | 4,366 |
| Less than $10,000 | 81 |
| $10,000 to $14,999 | 130 |
| $15,000 to $24,999 | 394 |
| $25,000 to $34,999 | 274 |
| $35,000 to $49,999 | 405 |
| $50,000 to $74,999 | 804 |
| $75,000 to $99,999 | 568 |
| $100,000 to $149,999 | 934 |
| $150,000 to $199,999 | 532 |
| $200,000 or more | 244 |
| Median household income (dollars) | 79,107 |
Housing characteristics in Waterloo city, Illinois
| Total housing units | 4,625 |
| Occupied housing units | 4,366 |
| Vacant housing units | 259 |
| Total housing units | 4,625 |
| 1-unit, detached | 3,420 |
| 1-unit, attached | 254 |
| 2 units | 241 |
| 3 or 4 units | 137 |
| 5 to 9 units | 234 |
| 10 to 19 units | 183 |
| 20 or more units | 156 |
| Mobile home | 0 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 4,625 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 712 |
| Built 2000 to 2009 | 930 |
| Built 1990 to 1999 | 755 |
| Built 1980 to 1989 | 294 |
| Built 1970 to 1979 | 384 |
| Built 1960 to 1969 | 456 |
| Built 1950 to 1959 | 417 |
| Built 1940 to 1949 | 200 |
| Built 1939 or earlier | 477 |
| Total housing units | 4,625 |
| 1 room | 116 |
| 2 rooms | 160 |
| 3 rooms | 152 |
| 4 rooms | 859 |
| 5 rooms | 827 |
| 6 rooms | 801 |
| 7 rooms | 589 |
| 8 rooms | 379 |
| 9 rooms or more | 742 |
| Median rooms | 5.7 |
| Total housing units | 4,625 |
| No bedroom | 116 |
| 1 bedroom | 315 |
| 2 bedrooms | 1,160 |
| 3 bedrooms | 2,134 |
| 4 bedrooms | 678 |
| 5 or more bedrooms | 222 |
| Occupied housing units | 4,366 |
| Owner-occupied | 3,317 |
| Renter-occupied | 1,049 |
| Average household size of owner-occupied unit | 2.70 |
| Average household size of renter-occupied unit | 1.73 |
| Occupied housing units | 4,366 |
| Moved in 2017 or later | 239 |
| Moved in 2015 to 2016 | 1,598 |
| Moved in 2010 to 2014 | 627 |
| Moved in 2000 to 2009 | 908 |
| Moved in 1990 to 1999 | 512 |
| Moved in 1989 and earlier | 482 |
| Owner-occupied units | 3,317 |
| Less than $50,000 | 51 |
| $50,000 to $99,999 | 56 |
| $100,000 to $149,999 | 528 |
| $150,000 to $199,999 | 897 |
| $200,000 to $299,999 | 1,180 |
| $300,000 to $499,999 | 577 |
| $500,000 to $999,999 | 28 |
| $1,000,000 or more | 0 |
| Median (dollars) | 207,400 |
| Owner-occupied units | 3,317 |
| Housing units with a mortgage | 1,975 |
| Housing units without a mortgage | 1,342 |
| Occupied units paying rent | 1,016 |
| Less than $500 | 70 |
| $500 to $999 | 602 |
| $1,000 to $1,499 | 317 |
| $1,500 to $1,999 | 6 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 21 |
| Median (dollars) | 816 |
| No rent paid | 33 |
Links