Illinois · Census place 1711618

Casey, Illinois

Casey is a city in 2 counties of Illinois with an estimated 2,376 residents on July 1, 2024. It is the 450th largest of 651 incorporated places of 1,000+ people in the state.

Population 2024
2,376
#450 of 651 in Illinois
Change since 2020
-2.3%
-56 people
Land area
2.6 sq mi
Density
907 / sq mi
State median 2,177
Orange pin: Casey. Shaded: counties it spans. Dark pin: Springfield.

Casey population, 2020 to 2024

Casey lost 56 residents from July 2020 to July 2024, a change of -2.3%. In the latest year it moved by -22.

2,43220202,42320212,39720222,39820232,3762024
July 1 estimates. The April 2020 estimates base was 2,438. The axis starts above zero so yearly changes are visible.

Casey covers 2.62 square miles of land, for 907 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Casey is less dense than the typical town.

The 2 counties Casey spans

Casey crosses county lines. The Census county-part estimates split its 2,376 residents as follows; Clark County holds 99.5% of them. The shaded shapes are on the map above; dots mark the eight nearest places.

  1. 01Clark County2,365
  2. 02Cumberland County11
Residents inside each county, Census Vintage 2024 county-part estimates (SUMLEV 157).

ZIP codes in Casey

1 ZIP Code Tabulation Area (ZCTA) overlaps Casey by at least 10% of the ZCTA's or the city's land: 62420. 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 Casey is

The Census internal point of Casey is at 39.305400, -87.985300. Springfield, the capital, is 94.6 miles WNW in a straight line. The nearest larger place is Charleston, IL (17,361 people), 16.1 miles away. The nearest city of 100,000 or more is Evansville, IN, 94.3 miles away.

Internal point

Decimal
39.305400, -87.985300
DMS
39°18'19.44"N 87°59'7.08"W
UTM
16N 415048.3E 4351130.8N
Geohash
dncrtg749
Plus code
86FJ8247+5V

Daylight in Casey

At 39.31° N, Casey gets about 14 h 57 min of daylight around the June solstice and 9 h 24 min around the December solstice, a swing of 5 h 33 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Casey

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Martinsville, 6.0 miles away, with 1,083 people.

Questions people ask

What is the population of Casey, IL?

2,376 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 56 (2.3%) from 2,432 in July 2020.

What county is Casey in?

It spans 2 counties: Clark County (2,365 residents), Cumberland County (11 residents).

What ZIP codes cover Casey?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 62420.

How far is Casey from Springfield?

94.6 miles (152.2 km) in a straight line, heading WNW from Casey.

What is the nearest larger city to Casey?

Charleston, IL, with 17,361 residents, 16.1 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.