County population in 2016: 17,542 (55% urban, 45% rural); it was 18,735 in 2000County owner-occupied with a mortgage or a loan houses and condos in 2010: 2,862 County owner-occupied free and clear houses and condos in 2010: 2,227 County owner-occupied houses and condos in 2000: 5,334 Renter-occupied apartments: 1,829 (it was 1,832 in 2000)
% of renters here:
26%
State:
33%
Land area: 543 sq. mi.
Water area: 0.6 sq. mi.
Population density: 32 people per square mile (low).
Mar. 2016 cost of living index in Warren County: 75.8 (low, U.S. average is 100)
Industries providing employment: Educational, health and social services (50.0%), Professional, scientific, management, administrative, and waste management services (14.2%).
Median real estate property taxes paid for housing units with mortgages in 2016: $1,637 (1.8%) Median real estate property taxes paid for housing units with no mortgage in 2016: $1,504 (1.7%)
Percentage of residents living in poverty in 2016: 14.4%
Warren County:
14.4%
Illinois:
13.0%
(13.9% for White Non-Hispanic residents, 23.9% for Black residents, 16.6% for Hispanic or Latino residents, 24.9% for other race residents, 11.1% for two or more races residents)
Median age of residents in 2016: 40.4 years old
(Males: 38.6 years old, Females: 41.8 years old)
(Median age for: White residents: 43.9 years old, Black residents: 30.4 years old, American Indian residents: 16.4 years old, Asian residents: 29.4 years old, Hispanic or Latino residents: 23.7 years old, Other race residents: 19.6 years old)
Fair market rent in 2006 for a 1-bedroom apartment in Warren County is $374 a month. Fair market rent for a 2-bedroom apartment is $492 a month. Fair market rent for a 3-bedroom apartment is $614 a month.
Current college students: 1,492 People 25 years of age or older with a high school degree or higher: 87.2% People 25 years of age or older with a bachelor's degree or higher: 22.6%
Number of foreign born residents: 1,076 (17.8% naturalized citizens)
Warren County:
6.1%
Whole state:
13.9%
Year of entry for the foreign-born population
2010 or later: 211
2000 to 2009: 453
1990 to 1999: 110
1980 to 1989: 34
1970 to 1979: 18
Before 1970: 98
Note: State values scaled to Warren County population
Mean travel time to work (commute): 18.9 minutes
Percentage of county residents living and working in this county: 59.5%
Housing units in structures:
One, detached: 6,330
One, attached: 156
Two: 252
3 or 4: 176
5 to 9: 237
10 to 19: 22
20 to 49: 71
50 or more: 144
Mobile homes: 312
Boats, RVs, vans, etc.: 7
Housing units in Warren County with a mortgage: 2,629 (57 second mortgage, 144 home equity loan, 18 both second mortgage and home equity loan) Houses without a mortgage: 2,420
Here:
50.0% with mortgage
State:
64.0% with mortgage
Religion statistics for Warren County
Religion
Adherents
Congregations
Mainline Protestant
3,820
20
Evangelical Protestant
2,510
19
Catholic
1,369
2
Black Protestant
181
1
Other
10
1
None
9,817
-
Warren County Religion Details
Source: Clifford Grammich, Kirk Hadaway, Richard Houseal, Dale E.Jones, Alexei Krindatch, Richie Stanley and Richard H.Taylor. 2012. 2010 U.S.Religion Census: Religious Congregations & Membership Study. Association of Statisticians of American Religious Bodies. Jones, Dale E., et al. 2002. Congregations and Membership in the United States 2000. Nashville, TN: Glenmary Research Center.
Food Environment Statistics:
Number of grocery stores: 7
Warren County:
3.96 / 10,000 pop.
State:
2.24 / 10,000 pop.
Number of convenience stores (with gas): 7
Warren County:
3.96 / 10,000 pop.
Illinois:
2.61 / 10,000 pop.
Number of full-service restaurants: 9
This county:
5.09 / 10,000 pop.
State:
6.86 / 10,000 pop.
Adult diabetes rate:
Warren County:
9.5%
Illinois:
8.3%
Adult obesity rate:
Warren County:
26.8%
State:
25.2%
Low-income preschool obesity rate:
Here:
17.3%
State:
14.5%
Agriculture in Warren County:
Average size of farms: 516 acres Average value of agricultural products sold per farm: $167,773 Average value of crops sold per acre for harvested cropland: $299.03 The value of livestock, poultry, and their products as a percentage of the total market value of agricultural products sold: 22.10% Average total farm production expenses per farm: $115,733 Harvested cropland as a percentage of land in farms: 84.63% Average market value of all machinery and equipment per farm: $175,466 The percentage of farms operated by a family or individual: 86.57% Average age of principal farm operators: 56 years Average number of cattle and calves per 100 acres of all land in farms: 7.10 Milk cows as a percentage of all cattle and calves: 1.06% Corn for grain: 145751 harvested acres All wheat for grain: 440 harvested acres Soybeans for beans: 123479 harvested acres Land in orchards: 12 acres
Earthquake activity:
Warren County-area historical earthquake activity is slightly below Illinois state average. It is 83% smaller than the overall U.S. average.
On 4/18/2008 at 09:36:59, a magnitude 5.4 (5.1 MB, 4.8 MS, 5.4 MW, 5.2 MW, Depth: 8.9 mi, Class: Moderate, Intensity: VI - VII) earthquake occurred 222.2 miles away from Warren County center On 6/10/1987 at 23:48:54, a magnitude 5.1 (4.9 MB, 4.4 MS, 4.6 MS, 5.1 LG) earthquake occurred 203.3 miles away from the county center On 6/18/2002 at 17:37:15, a magnitude 5.0 (4.3 MB, 4.6 MW, 5.0 LG, Depth: 3.1 mi) earthquake occurred 251.0 miles away from the county center On 6/28/2004 at 06:10:52, a magnitude 4.2 (4.0 MB, 4.2 MW, Depth: 6.2 mi, Class: Light, Intensity: IV - V) earthquake occurred 98.3 miles away from the county center On 4/18/2008 at 15:14:16, a magnitude 4.8 (4.5 MB, 4.8 MW, 4.6 MW, Depth: 6.2 mi) earthquake occurred 222.3 miles away from Warren County center On 9/26/1990 at 13:18:51, a magnitude 5.0 (4.7 MB, 4.8 LG, 5.0 LG, Depth: 7.7 mi) earthquake occurred 263.2 miles away from the county center Magnitude types: regional Lg-wave magnitude (LG), body-wave magnitude (MB), surface-wave magnitude (MS), moment magnitude (MW)
Most recent natural disasters:
Illinois Severe Storms, Straight-Line Winds and Flooding, Incident Period: April 16, 2013 to May 05, 2013, Major Disaster (Presidential) Declared DR-4116: May 10, 2013, FEMA Id: 4116, Natural disaster type: Storm, Flood, Wind
Illinois Severe Winter Storm and Snowstorm, Incident Period: January 31, 2011 to February 03, 2011, Major Disaster (Presidential) Declared DR-1960: March 17, 2011, FEMA Id: 1960, Natural disaster type: Snowstorm, Winter Storm
Illinois Severe Storms and Flooding, Incident Period: August 20, 2007 to August 31, 2007, Major Disaster (Presidential) Declared DR-1729: September 25, 2007, FEMA Id: 1729, Natural disaster type: Storm, Flood
Illinois Hurricane Katrina Evacuation, Incident Period: August 29, 2005 to October 01, 2005, Emergency Declared EM-3230: September 07, 2005, FEMA Id: 3230, Natural disaster type: Hurricane
Illinois Winter Snow Storm, Incident Period: January 01, 1999 to January 15, 1999, Emergency Declared EM-3134: January 08, 1999, FEMA Id: 3134, Natural disaster type: Storm, Snow
Illinois Flooding, Severe Storms, Incident Period: April 13, 1993 to October 22, 1993, Major Disaster (Presidential) Declared DR-997: July 09, 1993, FEMA Id: 997, Natural disaster type: Storm, Flood
The number of natural disasters in Warren County (6) is smaller than the US average (13). Major Disasters (Presidential) Declared: 4 Emergencies Declared: 2
Installation, maintenance, and repair occupations (7%)
Material moving occupations (7%)
Education, training, and library occupations (6%)
Office and administrative support occupations (18%)
Education, training, and library occupations (12%)
Sales and related occupations (12%)
Personal care and service occupations (9%)
Healthcare support occupations (8%)
Production occupations (6%)
Food preparation and serving related occupations (5%)
Most common places of birth for the foreign-born residents (%):
Mexico (54%)
Burma (19%)
Other Western Africa (6%)
Cuba (4%)
Philippines (3%)
Ethiopia (2%)
Ghana (2%)
Most common first ancestries reported in Warren County (%):
German (15%)
American (14%)
English (9%)
Irish (7%)
Swedish (5%)
Italian (2%)
Scottish (1%)
Means of transportation to work:
Drove a car alone: 5,322 (71.3%)
Carpooled: 832 (11.1%)
Bus or trolley bus: 33 (0.4%)
Taxicab, motorcycle, or other means: 156 (2.1%)
Bicycle: 113 (1.5%)
Walked: 487 (6.5%)
Worked at home: 509 (6.8%)
Breakdown of mean house values by ages of householders ($)
People in group quarters in Warren County, Illinois in 2000:
879 people in college dormitories (includes college quarters off campus)
247 people in nursing homes
49 people in homes for the mentally retarded
24 people in hospitals/wards and hospices for chronically ill
24 people in other hospitals or wards for chronically ill
13 people in other noninstitutional group quarters
9 people in local jails and other confinement facilities (including police lockups)
2 people in religious group quarters
People in group quarters in Warren County, Illinois in 2010:
975 people in college/university student housing
117 people in nursing facilities/skilled-nursing facilities
17 people in local jails and other municipal confinement facilities
7 people in group homes intended for adults
Average gross adjusted income of non-migrant taxpayers in this county in 2010 was $46,971.
6.23% of this county's 2011 resident taxpayers lived in other counties in 2010 ($31,732 average adjusted gross income)
Here:
6.23%
Illinois average:
4.45%
10 or fewer of this county's residents moved from foreign countries.
4.13% relocated from other counties in Illinois ($20,238 average AGI)
2.10% relocated from other states ($11,492 average AGI)
Warren County:
2.10%
Illinois average:
1.87%
Percentage of residents relocating from other counties or countries
Top counties from which taxpayers relocated into this county between 2010 and 2011:
5.99% of this county's 2010 resident taxpayers moved to other counties in 2011 ($30,510 average adjusted gross income)
Here:
5.99%
Illinois average:
4.96%
10 or fewer of this county's residents moved to foreign countries.
3.81% relocated to other counties in Illinois ($19,386 average AGI)
2.18% relocated to other states ($11,124 average AGI)
Warren County:
2.18%
Illinois average:
2.36%
Percentage of residents relocating to other counties or countries
Top counties to which taxpayers relocated from this county between 2010 and 2011:
Births per 1000 population from 1990 to 1999: 11.6 Births per 1000 population from 2000 to 2006: 11.4
Births per 1000 population in Warren County
Deaths per 1000 population from 1990 to 1999: 12.0 Deaths per 1000 population from 2000 to 2006: 11.4 Deaths per 1000 population from 2007 to 2014: 10.6
Deaths per 1000 population in Warren County
Infant deaths per 1000 live births from 1990 to 1999: 4.9 Infant deaths per 1000 live births from 2000 to 2006: 4.9
Infant deaths per 1000 live births in Warren County
Population without health insurance coverage in 2013: 14.2% Persons under 19 years old without health insurance coverage in 2013: 5.2%
Percentage of population without health insurance coverage in Warren County
Percentage of population without health insurance coverage in Warren County
Persons enrolled in hospital insurance and/or supplemental medical insurance (Medicare) in July 1, 2007: 3,019 (2,601 aged, 418 disabled) Children under 18 without health insurance coverage in 2007: 214 (6%)
Persons enrolled in hospital insurance and/or supplemental medical insurance (Medicare)
Aged persons enrolled in hospital insurance and/or supplemental medical insurance (Medicare)
Disabled persons enrolled in hospital insurance and/or supplemental medical insurance (Medicare)
Most common underlying causes of death in Warren County, Illinois in 1999 - 2014:
Acute myocardial infarction, unspecified (362)
Atherosclerotic heart disease (238)
Bronchus or lung, unspecified - Malignant neoplasms (212)
Stroke, not specified as haemorrhage or infarction (178)
Population without health insurance coverage in 2000: 12% Children under 18 without health insurance coverage in 2000: 9%
Short term general hospitals per 100,000 population in 2004: 5.62 Short term general hospital admissions per 100,000 population in 2004: 5,024 Short term general hospital beds per 100,000 population in 2004: 382 Emergency room visits per 100,000 population in 2004: 15,054
General practice office based MDs per 100,000 population in 2005: 1,139 Medical specialist MDs per 100,000 population in 2005: 1,156 Dentists per 100,000 population in 1998: 11
Total births per 100,000 population, July 2005 - July 2006 : 32 Total deaths per 100,000 population, July 2005 - July 2006: 68
Limited-service eating places per 100,000 population in 2005 : 11
Household type by relationship:
Households: 17,542
In family households: 13,641 (2,638 male householders, 1,836 female householders)
3,507 spouses, 4,626 children (4,281 natural, 85 adopted, 260 stepchildren), 302 grandchildren, 132 brothers or sisters, 90 parents, 118 other relatives, 367 non-relatives
In nonfamily households: 2,700 (1,063 male householders (897 living alone)), 1,273 female householders (1,131 living alone)), 362 nonrelatives
In group quarters: 1,199
Size of family households: 2,290 2-persons, 856 3-persons, 699 4-persons, 408 5-persons, 222 6-persons, 37 7-or-more-persons.
2,391 married couples with children.
1,082 single-parent households (272 men, 810 women).
90.2% of residents of Warren speak English at home.
7.3% of residents speak Spanish at home (61% speak English very well, 12% speak English well, 26% speak English not well, 2% don't speak English at all).
0.7% of residents speak other Indo-European language at home (44% speak English very well, 33% speak English well, 23% speak English not well, 1% don't speak English at all).
1.4% of residents speak Asian or Pacific Island language at home (26% speak English very well, 43% speak English well, 31% speak English not well).
0.4% of residents speak other language at home (82% speak English very well, 12% speak English well, 6% speak English not well).
In fiscal year 2004:
Federal Government expenditure: $102,225,000 ($5,744 per capita) Department of Defense expenditure: $1,316,000 Federal direct payments to individuals for retirement and disability: $44,999,000 Federal other direct payments to individuals: $24,179,000 Federal direct payments not to individuals: $11,577,000 Federal grants: $16,186,000 Federal procurement contracts: $1,001,000 ($75,000 Department of Defense) Federal salaries and wages: $4,283,000 ($0,000 Department of Defense) Federal Government direct loans: $798,000 Federal guaranteed/insured loans: $3,961,000 Federal Government insurance: $59,318,000
Population change from April 1, 2000 to July 1, 2005:
Births: 1,045
Here:
60 per 1000 residents
State:
75 per 1000 residents
Deaths: 1,046
Here:
60 per 1000 residents
State:
43 per 1000 residents
Net international migration: +45
Here:
+3 per 1000 residents
State:
+26 per 1000 residents
Net internal migration: -1,193
Here:
-68 per 1000 residents
State:
-31 per 1000 residents
Population growth in Warren County
Total withdrawal of fresh water for public supply: 2.81 millions of gallons per day (all from ground)
Median number of rooms in houses and condos:
Here:
6.5
State:
6.4
Median number of rooms in apartments:
Here:
4.7
State:
4.2
Year house built
2014 or later: 0
2010 to 2013: 82
2000 to 2009: 363
1990 to 1999: 328
1980 to 1989: 281
1970 to 1979: 1,172
1960 to 1969: 757
1950 to 1959: 852
1940 to 1949: 540
1939 or earlier: 3,229
Note: State values scaled to Warren population
Rooms in houses/apartments in Warren County, Illinois
Note: State values scaled to Warren County population
no vehicle: 88
1 vehicle: 1,321
2 vehicles: 2,304
3 vehicles: 847
4 vehicles: 350
5+ vehicles: 112
no vehicle: 302
1 vehicle: 899
2 vehicles: 490
3 vehicles: 94
4 vehicles: 18
5+ vehicles: 4
88% of Warren County residents lived in the same house 1 years ago. Out of people who lived in different houses, 35% lived in this county. Out of people who lived in different counties, 75% lived in Illinois.
Warren County:
88.5%
State average:
86.9%
Place of birth for U.S.-born residents:
This state: 13,195
Other state: 3,223
Northeast: 210
Midwest: 1,980
South: 609
West: 423
Year Householders Moved Into Unit
Most commonly used house heating fuel in Warren County
Click here to upload your Warren County photos (outside city limits)
40.4 years
37.9 years
(48.2%)
(51.8%)
, Butler County, Nebraska 
, Passaic County, New Jersey 
