• county
  • FIPS 17049
  • Largest town: Effingham

Effingham County, Illinois

Effingham County had 34,602 residents in the Census Vintage 2024 estimate, on 478.8 square miles of land. It ranks 41st of 102 in Illinois by population and 57th by land area.

Population
34,602
#41 of 102 in Illinois · #1,320 in US
Area
478.8 sq mi
#57 of 102 in Illinois · #2,161 in US
Density
72 / sq mi
#34 of 102 in Illinois · #1,154 in US
Median household income
$72,158
#32 of 102 in Illinois · #844 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Effingham County within Illinois. Pin: Springfield.

Measure from here

Tools and pages that start from Effingham County

Effingham County population, land area and income

Effingham County had 34,602 residents in the Census Vintage 2024 estimate, on 478.8 square miles of land. It ranks 41st of 102 in Illinois by population and 57th by land area. That works out to 72.3 people per square mile, below the US average of 96.3, and above the national county median.

The median county-equivalent in Illinois has 24,447 residents; Effingham County is somewhat larger.

Its SAIPE 2023 median household income of $72,158 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

34,602

3144th1st

1320th of 3,144 (US)

Land area

479 sq mi

3144th1st

2161st of 3,144 (US)

Density

72.3 / sq mi

3144th1st

1154th of 3,144 (US)

Median household income

$72,158

3143rd1st

844th of 3,143 (US)

Rank within Illinois (102)

Population

34,602

102nd1st

41st of 102 (IL)

Land area

479 sq mi

102nd1st

57th of 102 (IL)

Density

72.3 / sq mi

102nd1st

34th of 102 (IL)

Median household income

$72,158

102nd1st

32nd of 102 (IL)

How Effingham County's population changed since 2020

Effingham County lost 105 residents between the July 2020 and July 2024 estimates, a drop of 0.3%. That ranks 20th of 102 in Illinois for growth. The median Illinois county changed by -1.7%, and the state as a whole by -0.7%.

Since the April 2020 estimates base, Effingham County recorded 1,826 births and 1,710 deaths, a natural change of +116. Net international migration added +199 and net domestic migration, people moving to or from other US counties, came to -397. The largest single component was domestic migration, which removed 397 people.

34.7k202034.5k202134.3k202234.5k202334.6k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
1,826
Deaths
1,710
Net international migration
+199
Net domestic migration
-397
Change, July 2023 to July 2024
+149

Where Effingham County is

The Census internal point of Effingham County is at 39.047900, -88.592800. It sits in UTM zone 16N. The map shades Illinois's 102 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Effingham County outlined. Dots are towns of 1,000+ people with residents in it.

Piatt County: -0.3%Hamilton County: -2.2%Williamson County: -0.1%Edgar County: -2.4%Macoupin County: -2.3%Marshall County: -1.3%Putnam County: +0.0%Richland County: -2.8%Washington County: -1.4%Lee County: -1.5%Douglas County: +0.2%Cook County: -1.6%Effingham County: -0.3%Edwards County: -3.6%Cass County: -2.0%Clay County: -3.4%Knox County: -2.2%LaSalle County: -0.9%Cumberland County: -1.3%Warren County: -3.7%Moultrie County: -0.9%Menard County: -2.5%Fayette County: -1.5%Boone County: -0.0%Lawrence County: -3.2%Marion County: -3.2%Champaign County: +3.0%Clark County: -2.4%Ford County: -0.4%Wayne County: -1.4%Logan County: -1.4%Grundy County: +2.5%Jasper County: -1.8%Crawford County: -1.3%McDonough County: -1.7%Clinton County: +0.5%Perry County: -3.0%Montgomery County: -2.2%Henry County: -2.0%Livingston County: -1.2%Scott County: -3.8%Alexander County: -11.2%Bureau County: -2.2%Brown County: +1.1%Mason County: -3.9%Calhoun County: -4.1%Greene County: -4.3%Coles County: -1.4%Kendall County: +8.2%Lake County: +0.7%Mercer County: -2.2%St. Clair County: -2.3%Wabash County: -3.0%Bond County: -1.7%DuPage County: +0.6%Gallatin County: -5.2%Stephenson County: -3.3%McHenry County: +1.9%White County: -3.0%Saline County: -3.9%Christian County: -2.2%Sangamon County: -1.0%Massac County: -3.6%Macon County: -2.9%Johnson County: -0.0%Jo Daviess County: -2.6%Peoria County: -1.0%DeKalb County: +1.0%Pope County: -1.5%De Witt County: -0.9%Schuyler County: -1.7%Fulton County: -3.1%Ogle County: -0.8%Jersey County: -1.6%Iroquois County: -3.3%Kankakee County: -0.9%Rock Island County: -1.1%Pulaski County: -5.8%Kane County: +0.9%Union County: -2.4%Whiteside County: -1.7%Woodford County: -0.3%Carroll County: -1.5%Adams County: -2.3%Hardin County: -2.6%Madison County: -1.0%Hancock County: -3.1%Monroe County: +0.0%Tazewell County: -1.1%Jackson County: -0.1%Vermilion County: -3.9%Randolph County: -0.6%McLean County: +0.5%Morgan County: -2.6%Shelby County: -1.7%Will County: +1.7%Winnebago County: -0.4%Jefferson County: -2.4%Stark County: -2.2%Henderson County: -4.5%Pike County: -2.6%Franklin County: -1.8%
Change 2020 to 2024
  1. < -3.0%
  2. < -2.2%
  3. < -1.4%
  4. < -0.3%
  5. ≥ -0.3%
no data

Orange pin: Effingham County internal point. Dark pin: Springfield.

Internal point

Decimal
39.047900, -88.592800
DMS
39°02'52.44"N 88°35'34.08"W
UTM
16N 362166.0E 4323299.2N
Geohash
dncn0h2ww
Plus code
86FH2CX4+5V

Towns in Effingham County

3 incorporated places of 1,000+ people have residents in Effingham County, 16,328 people together, or 47% of the county. Each figure counts only the part of the town inside Effingham County; towns marked "part" extend into another county. The largest is Effingham with 12,434.

  1. 01Effingham12,434
  2. 02Altamont2,200
  3. 03Teutopolis1,694
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Effingham County

The Census 2024 county adjacency file lists 5 neighbors for Effingham County. The most populous is Fayette County, IL, with 21,157 residents. Distances run between Census internal points in a straight line.

Distance to Springfield and the nearest big city

Springfield is 75.8 miles NW of Effingham County's internal point in a straight line. The nearest place of 100,000 or more is Springfield, IL (population 112,949), 76.1 miles away. The nearest place of 10,000 or more is Effingham, IL (population 12,434), 5.5 miles away.

Effingham County FIPS code

The FIPS code of Effingham County is 17049: state code 17 for Illinois plus county code 049. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $72,158.

Questions people ask

What is the population of Effingham County, Illinois?

The Census Vintage 2024 estimate for July 1, 2024 is 34,602. That is down 105 people (0.3%) from the July 2020 estimate of 34,707.

What is the FIPS code of Effingham County?

17049. The first two digits (17) are Illinois; the last three (049) identify the county.

What is the largest town in Effingham County?

Effingham, with 12,434 residents inside Effingham County in 2024.

Which counties border Effingham County?

5 county-equivalents border it in the Census 2024 adjacency file: Fayette County, IL; Shelby County, IL; Clay County, IL; Cumberland County, IL; Jasper County, IL.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.