Illinois · Census place 1703012
Aurora, Illinois
Aurora is a city in 4 counties of Illinois with an estimated 180,710 residents on July 1, 2024. It is the 2nd largest of 651 incorporated places of 1,000+ people in the state.
- Population 2024
- 180,710
- #2 of 651 in Illinois
- Change since 2020
- +0.2%
- +450 people
- Land area
- 45.1 sq mi
- + 0.94 sq mi water
- Density
- 4,010 / sq mi
- State median 2,177
Measure from here
Tools and pages that start from Aurora
Aurora population, 2020 to 2024
Aurora added 450 residents from July 2020 to July 2024, a change of +0.2%. In the latest year it moved by +1,050. Among 330 Illinois places of 5,000 or more, that growth ranks 95th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Aurora is 12.2 times that size.
Aurora covers 45.06 square miles of land and 0.94 of water, for 4,010 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Aurora is denser than the typical town.
The 4 counties Aurora spans
Aurora crosses county lines. The Census county-part estimates split its 180,710 residents as follows; Kane County holds 60.9% of them. The shaded shapes are on the map above; dots mark the eight nearest places.
- 01Kane County109,990
- 02DuPage County52,486
- 03Will County11,803
- 04Kendall County6,431
ZIP codes in Aurora
6 ZIP Code Tabulation Areas (ZCTAs) overlap Aurora by at least 10% of the ZCTA's or the city's land: 60502, 60503, 60504, 60505, 60506, 60519. 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 Aurora is
The Census internal point of Aurora is at 41.763500, -88.290100. Springfield, the capital, is 154.4 miles SSW in a straight line. The nearest larger place is Chicago, IL (2,721,308 people), 31.6 miles away. The nearest city of 100,000 or more is Naperville, IL, 6.6 miles away. The ground at the internal point is about 221 m (725 ft) above sea level.
Internal point
- Decimal
- 41.763500, -88.290100
- DMS
- 41°45'48.60"N 88°17'24.36"W
- UTM
- 16N 392761.2E 4624322.7N
- Geohash
- dp3jwfv45
- Plus code
- 86HHQP75+CX
- Time zone
- America/Chicago
Daylight in Aurora
At 41.76° N, Aurora gets about 15 h 13 min of daylight around the June solstice and 9 h 09 min around the December solstice, a swing of 6 h 04 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 Aurora daylight page.
Places near Aurora
The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is North Aurora, 4.1 miles away, with 19,329 people.
Questions people ask
What is the population of Aurora, IL?
180,710 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 450 (0.2%) from 180,260 in July 2020.
What county is Aurora in?
It spans 4 counties: Kane County (109,990 residents), DuPage County (52,486 residents), Will County (11,803 residents), Kendall County (6,431 residents).
What ZIP codes cover Aurora?
6 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 60502, 60503, 60504, 60505, 60506, 60519.
How far is Aurora from Springfield?
154.4 miles (248.4 km) in a straight line, heading SSW from Aurora.
What is the nearest larger city to Aurora?
Chicago, IL, with 2,721,308 residents, 31.6 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.