Illinois · Census place 1769875

Sidney, Illinois

Sidney is a village in Champaign County, Illinois with an estimated 1,194 residents on July 1, 2024. It is the 599th largest of 651 incorporated places of 1,000+ people in the state.

Population 2024
1,194
#599 of 651 in Illinois
Change since 2020
-0.7%
-8 people
Land area
0.6 sq mi
Density
1,926 / sq mi
State median 2,177
Orange pin: Sidney. Shaded: its county. Dark pin: Springfield.

Sidney population, 2020 to 2024

Sidney lost 8 residents from July 2020 to July 2024, a change of -0.7%. In the latest year it moved by +8.

1,20220201,18820211,18520221,18620231,1942024
July 1 estimates. The April 2020 estimates base was 1,207. The axis starts above zero so yearly changes are visible.

Sidney covers 0.62 square miles of land, for 1,926 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Sidney is less dense than the typical town.

What county Sidney is in

All of Sidney's residents live in Champaign County, which had 212,374 residents in 2024. Sidney holds 0.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Sidney

1 ZIP Code Tabulation Area (ZCTA) overlaps Sidney by at least 10% of the ZCTA's or the village's land: 61877. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.

Where Sidney is

The Census internal point of Sidney is at 40.025400, -88.072200. Springfield, the capital, is 85.3 miles W in a straight line. The nearest larger place is Philo, IL (1,385 people), 4.7 miles away. The nearest city of 100,000 or more is Springfield, IL, 84.9 miles away.

Internal point

Decimal
40.025400, -88.072200
DMS
40°01'31.44"N 88°04'19.92"W
UTM
16N 408510.3E 4431127.0N
Geohash
dp17ey7ub
Plus code
86GH2WGH+54

Daylight in Sidney

At 40.03° N, Sidney gets about 15 h 01 min of daylight around the June solstice and 9 h 20 min around the December solstice, a swing of 5 h 42 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Sidney

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Philo, 4.7 miles away, with 1,385 people.

Questions people ask

What is the population of Sidney, IL?

1,194 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 8 (0.7%) from 1,202 in July 2020.

What county is Sidney in?

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

What ZIP codes cover Sidney?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 61877.

How far is Sidney from Springfield?

85.3 miles (137.3 km) in a straight line, heading W from Sidney.

What is the nearest larger city to Sidney?

Philo, IL, with 1,385 residents, 4.7 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.