Illinois · Census place 1747423

Mascoutah, Illinois

Mascoutah is a city in St. Clair County, Illinois with an estimated 9,118 residents on July 1, 2024. It is the 241st largest of 651 incorporated places of 1,000+ people in the state.

Population 2024
9,118
#241 of 651 in Illinois
Change since 2020
+3.8%
+333 people
Land area
9.6 sq mi
+ 0.15 sq mi water
Density
946 / sq mi
State median 2,177
Orange pin: Mascoutah. Shaded: its county. Dark pin: Springfield.

Mascoutah population, 2020 to 2024

Mascoutah added 333 residents from July 2020 to July 2024, a change of +3.8%. In the latest year it moved by +130. Among 330 Illinois places of 5,000 or more, that growth ranks 29th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Mascoutah is 62% of it.

8,78520208,73320218,67820228,98820239,1182024
July 1 estimates. The April 2020 estimates base was 8,799. The axis starts above zero so yearly changes are visible.

Mascoutah covers 9.64 square miles of land and 0.15 of water, for 946 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Mascoutah is less dense than the typical town.

What county Mascoutah is in

All of Mascoutah's residents live in St. Clair County, which had 251,149 residents in 2024. Mascoutah holds 3.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Mascoutah

1 ZIP Code Tabulation Area (ZCTA) overlaps Mascoutah by at least 10% of the ZCTA's or the city's land: 62258. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Mascoutah is

The Census internal point of Mascoutah is at 38.518100, -89.800000. Springfield, the capital, is 87.6 miles N in a straight line. The nearest larger place is Shiloh, IL (14,754 people), 6.5 miles away. The nearest city of 100,000 or more is St. Louis, MO, 25.4 miles away.

Internal point

Decimal
38.518100, -89.800000
DMS
38°31'5.16"N 89°48'0.00"W
UTM
16N 255885.1E 4267018.2N
Geohash
dnb5hs18h
Plus code
86CGG59X+6X

Daylight in Mascoutah

At 38.52° N, Mascoutah gets about 14 h 52 min of daylight around the June solstice and 9 h 29 min around the December solstice, a swing of 5 h 23 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Mascoutah

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is New Baden, 5.2 miles away, with 3,395 people.

Questions people ask

What is the population of Mascoutah, IL?

9,118 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 333 (3.8%) from 8,785 in July 2020.

What county is Mascoutah in?

St. Clair County. All of its residents live in that county.

What ZIP codes cover Mascoutah?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 62258.

How far is Mascoutah from Springfield?

87.6 miles (141.0 km) in a straight line, heading N from Mascoutah.

What is the nearest larger city to Mascoutah?

Shiloh, IL, with 14,754 residents, 6.5 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

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