• county
  • FIPS 17041
  • Largest town: Tuscola

Douglas County, Illinois

Douglas County had 19,824 residents in the Census Vintage 2024 estimate, on 416.7 square miles of land. It ranks 58th of 102 in Illinois by population and 70th by land area.

Population
19,824
#58 of 102 in Illinois · #1,838 in US
Area
416.7 sq mi
#70 of 102 in Illinois · #2,424 in US
Density
48 / sq mi
#47 of 102 in Illinois · #1,519 in US
Median household income
$82,895
#12 of 102 in Illinois · #374 in US

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

Douglas County within Illinois. Pin: Springfield.

Measure from here

Tools and pages that start from Douglas County

Douglas County population, land area and income

Douglas County had 19,824 residents in the Census Vintage 2024 estimate, on 416.7 square miles of land. It ranks 58th of 102 in Illinois by population and 70th by land area. That works out to 47.6 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; Douglas County is somewhat smaller.

Its SAIPE 2023 median household income of $82,895 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

19,824

3144th1st

1838th of 3,144 (US)

Land area

417 sq mi

3144th1st

2424th of 3,144 (US)

Density

47.6 / sq mi

3144th1st

1519th of 3,144 (US)

Median household income

$82,895

3143rd1st

374th of 3,143 (US)

Rank within Illinois (102)

Population

19,824

102nd1st

58th of 102 (IL)

Land area

417 sq mi

102nd1st

70th of 102 (IL)

Density

47.6 / sq mi

102nd1st

47th of 102 (IL)

Median household income

$82,895

102nd1st

12th of 102 (IL)

How Douglas County's population changed since 2020

Douglas County gained 44 residents between the July 2020 and July 2024 estimates, a rise of 0.2%. That ranks 13th 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, Douglas County recorded 1,066 births and 1,001 deaths, a natural change of +65. Net international migration added +187 and net domestic migration, people moving to or from other US counties, came to -188. The largest single component was domestic migration, which removed 188 people.

19.8k202019.7k202119.7k202219.7k202319.8k2024
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
1,066
Deaths
1,001
Net international migration
+187
Net domestic migration
-188
Change, July 2023 to July 2024
+91

Where Douglas County is

The Census internal point of Douglas County is at 39.766100, -88.222900. 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 Douglas 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: Douglas County internal point. Dark pin: Springfield.

Internal point

Decimal
39.766100, -88.222900
DMS
39°45'57.96"N 88°13'22.44"W
UTM
16N 395256.9E 4402512.2N
Geohash
dp160rnn3
Plus code
86FHQQ8G+CR

Towns in Douglas County

5 incorporated places of 1,000+ people have residents in Douglas County, 11,993 people together, or 60% of the county. Each figure counts only the part of the town inside Douglas County; towns marked "part" extend into another county. The largest is Tuscola with 4,658.

  1. 01Tuscola4,658
  2. 02Arcola2,915
  3. 03Villa Grove2,450
  4. 04Arthur (part)1,454
  5. 05Atwood (part)516
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Douglas County

The Census 2024 county adjacency file lists 6 neighbors for Douglas County. The most populous is Champaign County, IL, with 212,374 residents. Distances run between Census internal points in a straight line.

Distance to Springfield and the nearest big city

Springfield is 75.8 miles W of Douglas County's internal point in a straight line. The nearest place of 100,000 or more is Springfield, IL (population 112,949), 75.5 miles away. The nearest place of 10,000 or more is Charleston, IL (population 17,361), 19.6 miles away.

Douglas County FIPS code

The FIPS code of Douglas County is 17041: state code 17 for Illinois plus county code 041. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $82,895.

Questions people ask

What is the population of Douglas County, Illinois?

The Census Vintage 2024 estimate for July 1, 2024 is 19,824. That is up 44 people (0.2%) from the July 2020 estimate of 19,780.

What is the FIPS code of Douglas County?

17041. The first two digits (17) are Illinois; the last three (041) identify the county.

What is the largest town in Douglas County?

Tuscola, with 4,658 residents inside Douglas County in 2024.

Which counties border Douglas County?

6 county-equivalents border it in the Census 2024 adjacency file: Champaign County, IL; Vermilion County, IL; Coles County, IL; Piatt County, IL; Edgar County, IL; Moultrie 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.