• county
  • FIPS 17171
  • Largest town: Winchester

Scott County, Illinois

Scott County had 4,880 residents in the Census Vintage 2024 estimate, on 250.8 square miles of land. It ranks 96th of 102 in Illinois by population and 95th by land area.

Population
4,880
#96 of 102 in Illinois · #2,827 in US
Area
250.8 sq mi
#95 of 102 in Illinois · #2,910 in US
Density
19 / sq mi
#93 of 102 in Illinois · #2,268 in US
Median household income
$67,157
#46 of 102 in Illinois · #1,189 in US

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

Scott County within Illinois. Pin: Springfield.

Measure from here

Tools and pages that start from Scott County

Scott County population, land area and income

Scott County had 4,880 residents in the Census Vintage 2024 estimate, on 250.8 square miles of land. It ranks 96th of 102 in Illinois by population and 95th by land area. That works out to 19.5 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Illinois has 24,447 residents, so Scott County has 20% of the typical county's population.

Its SAIPE 2023 median household income of $67,157 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

4,880

3144th1st

2827th of 3,144 (US)

Land area

251 sq mi

3144th1st

2910th of 3,144 (US)

Density

19.5 / sq mi

3144th1st

2268th of 3,144 (US)

Median household income

$67,157

3143rd1st

1189th of 3,143 (US)

Rank within Illinois (102)

Population

4,880

102nd1st

96th of 102 (IL)

Land area

251 sq mi

102nd1st

95th of 102 (IL)

Density

19.5 / sq mi

102nd1st

93rd of 102 (IL)

Median household income

$67,157

102nd1st

46th of 102 (IL)

How Scott County's population changed since 2020

Scott County lost 194 residents between the July 2020 and July 2024 estimates, a drop of 3.8%. That ranks 93rd 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, Scott County recorded 181 births and 279 deaths, a natural change of -98. Net international migration added +4 and net domestic migration, people moving to or from other US counties, came to -102. The largest single component was domestic migration, which removed 102 people.

5,07420204,98420214,89820224,85020234,8802024
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
181
Deaths
279
Net international migration
+4
Net domestic migration
-102
Change, July 2023 to July 2024
+30

Where Scott County is

The Census internal point of Scott County is at 39.637000, -90.477800. It sits in UTM zone 15N. The map shades Illinois's 102 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Scott 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: Scott County internal point. Dark pin: Springfield.

Internal point

Decimal
39.637000, -90.477800
DMS
39°38'13.20"N 90°28'40.08"W
UTM
15N 716443.1E 4390509.2N
Geohash
9zp9mpsn6
Plus code
86FFJGPC+RV

Towns in Scott County

One incorporated place of 1,000+ people has residents in Scott County, 1,510 people together, or 31% of the county. Each figure counts only the part of the town inside Scott County; towns marked "part" extend into another county. The largest is Winchester with 1,510.

  1. 01Winchester1,510
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Scott County

The Census 2024 county adjacency file lists 3 neighbors for Scott County. The most populous is Morgan County, IL, with 32,618 residents. Distances run between Census internal points in a straight line.

Distance to Springfield and the nearest big city

Springfield is 45.1 miles ENE of Scott County's internal point in a straight line. The nearest place of 100,000 or more is Springfield, IL (population 112,949), 45.5 miles away. The nearest place of 10,000 or more is Jacksonville, IL (population 17,801), 14.5 miles away.

Scott County FIPS code

The FIPS code of Scott County is 17171: state code 17 for Illinois plus county code 171. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $67,157.

Questions people ask

What is the population of Scott County, Illinois?

The Census Vintage 2024 estimate for July 1, 2024 is 4,880. That is down 194 people (3.8%) from the July 2020 estimate of 5,074.

What is the FIPS code of Scott County?

17171. The first two digits (17) are Illinois; the last three (171) identify the county.

What is the largest town in Scott County?

Winchester, with 1,510 residents inside Scott County in 2024.

Which counties border Scott County?

3 county-equivalents border it in the Census 2024 adjacency file: Morgan County, IL; Pike County, IL; Greene 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.