Illinois · Census place 1723074
Elgin, Illinois
Elgin is a city in 2 counties of Illinois with an estimated 114,701 residents on July 1, 2024. It is the 6th largest of 651 incorporated places of 1,000+ people in the state.
- Population 2024
- 114,701
- #6 of 651 in Illinois
- Change since 2020
- +0.0%
- +56 people
- Land area
- 38.2 sq mi
- + 0.57 sq mi water
- Density
- 3,005 / sq mi
- State median 2,177
Measure from here
Tools and pages that start from Elgin
Elgin population, 2020 to 2024
Elgin added 56 residents from July 2020 to July 2024, a change of +0.0%. In the latest year it moved by +779. Among 330 Illinois places of 5,000 or more, that growth ranks 109th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Elgin is 7.8 times that size.
Elgin covers 38.17 square miles of land and 0.57 of water, for 3,005 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Elgin is denser than the typical town.
The 2 counties Elgin spans
Elgin crosses county lines. The Census county-part estimates split its 114,701 residents as follows; Kane County holds 78.7% of them. The shaded shapes are on the map above; dots mark the eight nearest places.
- 01Kane County90,216
- 02Cook County24,485
ZIP codes in Elgin
3 ZIP Code Tabulation Areas (ZCTAs) overlap Elgin by at least 10% of the ZCTA's or the city's land: 60120, 60123, 60124. 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 Elgin is
The Census internal point of Elgin is at 42.039000, -88.325700. Springfield, the capital, is 170.6 miles SSW in a straight line. The nearest larger place is Aurora, IL (180,710 people), 19.1 miles away. The ground at the internal point is about 249 m (817 ft) above sea level.
Internal point
- Decimal
- 42.039000, -88.325700
- DMS
- 42°02'20.40"N 88°19'32.52"W
- UTM
- 16N 390274.7E 4654956.5N
- Geohash
- dp3pnhgny
- Plus code
- 86JH2MQF+JP
- Time zone
- America/Chicago
Daylight in Elgin
At 42.04° N, Elgin gets about 15 h 15 min of daylight around the June solstice and 9 h 07 min around the December solstice, a swing of 6 h 08 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the Elgin daylight page.
Places near Elgin
The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is South Elgin, 3.4 miles away, with 24,921 people.
Questions people ask
What is the population of Elgin, IL?
114,701 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 56 (0.0%) from 114,645 in July 2020.
What county is Elgin in?
It spans 2 counties: Kane County (90,216 residents), Cook County (24,485 residents).
What ZIP codes cover Elgin?
3 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 60120, 60123, 60124.
How far is Elgin from Springfield?
170.6 miles (274.6 km) in a straight line, heading SSW from Elgin.
What is the nearest larger city to Elgin?
Aurora, IL, with 180,710 residents, 19.1 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.
- 01Census Vintage 2024 subcounty population estimates
- 02Census 2024 Gazetteer, places
- 03Census 2020 ZCTA to place relationship file
- 04Census 2024 cartographic boundary file, counties (1:5,000,000)
- 05Open-Meteo forecast API (time zone and Copernicus GLO-90 elevation) (last verified 2026-09-30)
How every number is computed: methodology. Spotted a wrong figure? Report an error.