Waterloo

IL

Monroe County, Illinois

Population 35K |Median income $102,880

Population
35,036
Monroe County
Median Income
$102,880
+51% vs avg
Median Home Value
$282,100
+24% vs avg
Median Age
43.2
years

10-Year Trends 2013–2024

20132024
Population
35K+6%
Median Income
$102,880+50%
Median Home Value
$282,100+45%
Poverty Rate
5%-7%
Unemployment
1.9%-70%

Economics

Median Rent
$1,042/mo
Poverty Rate
5% -65% vs avg
Unemployment 1.9%
Bachelor's Degree+ 38.7%
Work From Home 12.6%
Public Transit 0%

Population

White 96%
Two or More Ethnicities 0.9%
African American 0.6%
Asian 0.6%

Health Profile 15 measures

Health Indicators

Obesity
35.5%
Short Sleep Duration
34%
High Blood Pressure
33.9%
Binge Drinking
19%
Physical Inactivity
18.6%
Frequent Mental Distress
14.9%
Frequent Physical Distress
11.7%
Current Smoking
11.3%
Diabetes
10.1%
Current Asthma
9.9%

Preventive Care

Annual Checkup 79.4%
Dental Visit 71.2%

Other Measures

Coronary Heart Disease
5.9%
Lack of Health Insurance
5.6%
Stroke
3%

Alerts & News — Waterloo Area 6

Bushfire Alerts

Storm and Tree Down Alert Issued for Hume Highway Southbound Exit at Bargo

NSW RFS · 34m ago
Weather Warnings high

Severe Thunderstorm Warning Issued for Sydney and Wollondilly/Wingecarribee: Flash Flooding and Large Hail Possible

BOM · 1h ago
Weather Alerts

Fog Advisory Issued for Barrie, Collingwood, and Hillsdale

ECCC · 1h ago
Bushfire Alerts

Planned Hazard Reduction Burn Underway Near Belford in Singleton Council Area

NSW RFS · 12h ago
Weather Alerts high

Flood Warning Issued for Thorn Creek in Cook County Through Monday Afternoon

NOAA · 12h ago
Weather Alerts high

Special Marine Warning Issued for Lake Erie Waters from The Islands to Willowick

NOAA · 1d ago

Frequently Asked Questions 5

What is the population of Waterloo, IL? ▼
Waterloo, IL has a population of 35,036 people, located in Monroe County, Illinois.
What is the median household income in Waterloo? ▼
The median household income in Waterloo, IL is $102,880 per year. The poverty rate is 5%.
What is the median home value in Waterloo? ▼
The median home value in Waterloo, IL is $282,100. Median rent is $1,042/month.
What are the top health concerns in Waterloo? ▼
The top health indicators in Waterloo include Obesity (35.5%), Short Sleep Duration (34%), High Blood Pressure (33.9%). Data from CDC PLACES.
What is the median age in Waterloo? ▼
The median age in Waterloo, IL is 43.2 years. 38.7% of residents have a bachelor's degree or higher.

Safety Context

Waterloo, IL is located in Monroe County, Illinois. With a population of 35K and a median household income of $102,880, the community faces health challenges including obesity and short sleep duration. Safety alerts for the Waterloo area are monitored from federal and state agencies including FEMA, NOAA, FDA, and CPSC.

Safety Guides

How Product Recalls Work

CPSC, FDA & NHTSA recall process explained

Understanding Weather Alerts

Watch vs warning vs advisory explained

Earthquake Magnitude Explained

What the numbers mean & when to act
All safety guides →

Explore More Data

Schools in Illinois

School ratings, test scores & enrollment → PlainSchools

Crime Rates in Illinois

FBI UCR crime statistics by city → PlainCrime

Rental Data in Illinois

HUD fair market rents & vacancy rates → PlainRent

Cost of Living in Illinois

BEA price parities & Census economics → PlainCost

ZIP Code Data in Illinois

Demographics & economics by ZIP code → PlainZIP

Nearby Cities 8

Columbia, IL 10K Oakville, MO 36K Arnold, MO 21K Mehlville, MO 28K Lemay, MO 17K Festus, MO 12K Belleville, IL 42K Swansea, IL 14K
All cities in Illinois → Browse all cities
Data Sources

All data on this page comes from official U.S. government sources. Population and economic data from the Census Bureau American Community Survey (2022 5-year estimates). Health data from the CDC PLACES program (2023). Hospital ratings from CMS Hospital Compare (2024). Data is county-level (Monroe County) as the smallest consistent geographic unit across all sources.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Census Bureau, FBI UCR, CDC PLACES, and NCES. Consult a qualified professional before making decisions based on this data.