Effingham County, Illinois

Effingham County, Illinois, had an estimated population of 34,519 in 2025 across 1,240 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Illinois's counties and nationally.

Population: 34,519; 2025 estimate
Area: 1,240 km²
Density: 28; per km²
Median income: $80,404; household, ACS 2024
Median age: 40; years, ACS 2024

How Illinois's counties spread

Amenities & Infrastructure

Indicator	Value	In Illinois	In the US
Households with Broadband2024	90.6%	14 / 102	686 / 3,144
Median Gross Rent2024	$733	84 / 102	2,566 / 3,137
Median Home Value2024	$189,500	19 / 102	1,523 / 3,139
Owner-Occupied Homes2024	78.2%	41 / 102	916 / 3,144
Vacant Homes2024	9.5%	67 / 102	2,268 / 3,144

Demography

Indicator	Value	In Illinois	In the US
Aged 65 and Over2024	18.8%	77 / 102	1,913 / 3,144
American Indian & Alaska Native2024	0.0%	62 / 102	2,461 / 3,144
Asian, non-Hispanic2024	0.8%	31 / 102	1,220 / 3,144
Average Household Size2024people	2.4	27 / 102	1,456 / 3,144
Black, non-Hispanic2024	0.3%	91 / 102	2,647 / 3,144
Foreign-Born2024	1.6%	52 / 102	2,219 / 3,144
Hispanic or Latino2024	2.8%	59 / 102	2,297 / 3,144
Median Age2024years	40	81 / 102	2,028 / 3,144
Sex Ratio2024per 1,000 males	977	75 / 102	2,079 / 3,144
Speak a Language Other Than English2024	3.2%	50 / 102	2,271 / 3,144
Under 182024	23.9%	6 / 102	718 / 3,144
Veterans2024	6.9%	65 / 102	1,761 / 3,144
White, non-Hispanic2024	94.2%	23 / 102	159 / 3,144

Economy

Indicator	Value	In Illinois	In the US
Below Poverty Line2024	10.1%	73 / 102	2,322 / 3,144
Households on SNAP2024	12.2%	74 / 102	1,472 / 3,144
Income Inequality2024index	0.423	67 / 102	2,380 / 3,144
Median Household Income2024	$80,404	17 / 102	568 / 3,143
Per Capita Income2024	$40,117	22 / 102	811 / 3,144
Unemployment Rate2024	2.1%	100 / 102	2,828 / 3,144

Education

Indicator	Value	In Illinois	In the US
Bachelor's Degree or Higher2024	26.9%	24 / 102	992 / 3,144
High School or Higher2024	93.0%	27 / 102	764 / 3,144

Health Coverage

Indicator	Value	In Illinois	In the US
No Health Insurance2024	5.3%	39 / 102	2,394 / 3,144
With a Disability2024	14.3%	68 / 102	2,076 / 3,144

Population & Density

Indicator	Value	In Illinois	In the US
Population2025	34,519	41 / 102	1,325 / 3,144
Population Density2025/km²	28	33 / 102	1,143 / 3,144

Work & Commute

Indicator	Value	In Illinois	In the US
Commute by Public Transit2024	0.2%	62 / 102	1,371 / 3,144
Households with No Vehicle2024	5.7%	53 / 102	1,382 / 3,144
Mean Commute Time2024minutes	18.1	97 / 102	2,745 / 3,143
Work from Home2024	11.8%	17 / 102	817 / 3,144

Other counties of Illinois

Compare Effingham County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.