Illinois · Census place 1729236

Gillespie, Illinois

Gillespie is a city in Macoupin County, Illinois with an estimated 3,087 residents on July 1, 2024. It is the 411th largest of 651 incorporated places of 1,000+ people in the state.

Population 2024
3,087
#411 of 651 in Illinois
Change since 2020
-2.4%
-76 people
Land area
1.5 sq mi
Density
2,086 / sq mi
State median 2,177
Orange pin: Gillespie. Shaded: its county. Dark pin: Springfield.

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Tools and pages that start from Gillespie

Gillespie population, 2020 to 2024

Gillespie lost 76 residents from July 2020 to July 2024, a change of -2.4%. In the latest year it moved by -27.

3,16320203,16420213,13020223,11420233,0872024
July 1 estimates. The April 2020 estimates base was 3,173. The axis starts above zero so yearly changes are visible.

Gillespie covers 1.48 square miles of land, for 2,086 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Gillespie is close to the typical town.

What county Gillespie is in

All of Gillespie's residents live in Macoupin County, which had 43,895 residents in 2024. Gillespie holds 7.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Gillespie

1 ZIP Code Tabulation Area (ZCTA) overlaps Gillespie by at least 10% of the ZCTA's or the city's land: 62033. 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 Gillespie is

The Census internal point of Gillespie is at 39.125400, -89.817300. Springfield, the capital, is 46.2 miles N in a straight line. The nearest larger place is Staunton, IL (4,935 people), 8.0 miles away. The nearest city of 100,000 or more is St. Louis, MO, 40.9 miles away.

Internal point

Decimal
39.125400, -89.817300
DMS
39°07'31.44"N 89°49'2.28"W
UTM
16N 256456.1E 4334472.5N
Geohash
dnbns4t1c
Plus code
86FG45GM+53

Daylight in Gillespie

At 39.13° N, Gillespie gets about 14 h 55 min of daylight around the June solstice and 9 h 25 min around the December solstice, a swing of 5 h 30 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Gillespie

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Benld, 2.4 miles away, with 1,407 people.

Questions people ask

What is the population of Gillespie, IL?

3,087 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 76 (2.4%) from 3,163 in July 2020.

What county is Gillespie in?

Macoupin County. All of its residents live in that county.

What ZIP codes cover Gillespie?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 62033.

How far is Gillespie from Springfield?

46.2 miles (74.3 km) in a straight line, heading N from Gillespie.

What is the nearest larger city to Gillespie?

Staunton, IL, with 4,935 residents, 8.0 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.