Effingham, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Effingham, Illinois is 12,258 as of the 2023 American Community Survey, making it the 197th-largest city in Illinois. The median household income is $65,718, the median home value is $166,700, and the median age is 36.9.
The population has grown 0.8% since 2010 (12,337 → 12,434).
12,258
Population
1136
People / sq mi
$65,718
Median Income
$166,700
Median Home Value
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Effingham covers 10.8 sq mi of land at 1136 people per square mile.
About Effingham, IL
Housing cost is the defining feature of Effingham: the median home is valued at $166,700. With 12,258 residents, Effingham is a city in Illinois.
Household earnings are middling, with a median of $65,718 — below the US median of $78,538. Poverty runs at 9.4%, below the national 12.4%. Homes are comparatively cheap — a median value of $166,700, with typical rent around $696.
27.8% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. About 11.3% of the workforce is home-based, below the national 14.0%, and the average commute runs about 13 minutes each way.
Effingham city Population History (2010-2024)
The city of Effingham city had a population of 12,337 in 2010 and 12,434 in 2024, a 0.8% growth over 14 years. The peak was 12,605 in 2018. Average annual growth rate: 0.06%.
12,434
Population (2024)
12,337
Population (2010)
12,605
Peak (2018)
0.06%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 12,337 |
| 2011 | 12,514 |
| 2012 | 12,526 |
| 2013 | 12,511 |
| 2014 | 12,492 |
| 2015 | 12,524 |
| 2016 | 12,567 |
| 2017 | 12,569 |
| 2018 | 12,605 |
| 2019 | 12,511 |
| 2020 | 12,328 |
| 2021 | 12,291 |
| 2022 | 12,247 |
| 2023 | 12,329 |
| 2024 | 12,434 |
Race & Ethnicity
| White | 94.0% |
| Black or African American | 1.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.2% |
| Two or More Races | 0.0% |
Economy & Income
$65,718
Median Household Income
$34,403
Per Capita Income
9.4%
Poverty Rate
1.4%
Unemployment Rate
Housing
$166,700
Median Home Value
$696
Median Rent
64.3%
Owner-Occupied
Education
91.9%
High School+
27.8%
Bachelor's+
Commute
0.4%
Drive Alone
75.8%
Public Transit
11.3%
Work From Home
13.3 min
Avg Commute
Community Profile
12.8%
Foreign Born
94.2%
Non-English at Home
6.1%
Veterans
20.3%
With Disability
93.7%
Health Insurance
95.9%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 24.0% |
| Manufacturing | 15.4% |
| Education, Health Care & Social Services | 13.5% |
| Arts, Entertainment & Food Services | 5.9% |
| Information | 5.8% |
| Finance, Insurance & Real Estate | 5.4% |
| Construction | 5.1% |
| Retail Trade | 3.5% |
| Public Administration | 3.0% |
| Agriculture & Mining | 1.8% |
| Transportation & Warehousing | 0.6% |
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City rankings
Frequently Asked Questions
Effingham, Illinois has a population of 12,258 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 197th-largest city in Illinois.
The median household income in Effingham, Illinois is $65,718, with 9.4% of residents living below the federal poverty level.
The median home value in Effingham, Illinois is $166,700, with median monthly rent at $696 and a homeownership rate of 64.3%.
The median age in Effingham, Illinois is 36.9 years. The population is 47.1% male and 52.9% female.
The population has grown 0.8% since 2010 (12,337 → 12,434).
Where to stay in Effingham
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.