Illinois Befolkning (2026)
Befolkning of Illinois med area, density and how it compares og nearby places.
Befolkning of Illinois
Illinois ranks #6 by population among 51 comparable places in this atlas.
Quick facts about Illinois
| Type | State |
|---|---|
| Land | USA |
| Kontinent | Nordamerika |
| Koordinater | 39°46′54.1″N 89°39′0.4″W (39.7817, -89.6501) |
| Capital | Springfield |
| Befolkning | 12.600.000 |
| Area | 149.995 km² |
| Abbreviation | IL |
| Tidszone | America/Chicago |
| Lokal tid | 11:38 PM (UTC-05:00) |
| Best months | maj, august, september and oktober |
| Klima | Kontinental |
Befolkning by city in Illinois
1 cities mapped in this atlas
Befolkning by state park in Illinois
1 state and provincial parks mapped in this atlas
Befolkning by county in Illinois
1 counties mapped in this atlas
Befolkning by lake in Illinois
1 lakes mapped in this atlas
Resumé
Illinois is a state in USA. Illinois is a US state med hovedstad Springfield. Der bor omkring 12.6 million. Hovedstaden er Springfield.
Lige nu er det 23°C (73°F) in Illinois med klart. Det føles som 21°C. I dag ligger temperaturen mellem 14°C og 30°C. Sandsynligheden for nedbør er 1%. Sightseeing conditions score 9.5/10 - fremragende — tag af sted nu.
Det bedste tidspunkt at besøge Illinois is maj, august, september and oktober. Klimaet er continental. januar, februar and december tend og be the least comfortable months. juli is the warmest month med average highs near 29°C, while januar is the coldest med lows near -7°C.
The closest major airport is O'Hare International Airport (ORD), about 284 km away. Nearby highlights include Starved Rock State Park, Lake Michigan, Gateway Arch National Park and Indiana Dunes National Park.
Kort sagt. Today is slightly warmer than average for september. The forecast high of 30°C is 3.5°C above the 27°C typical for this month. The best window og be outside is roughly 7 AM og 10 AM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Illinois today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Kort over Illinois
Interactive map med nearby places. Switch between street, terrain and satellite views.
Koordinater: 39°46′54.1″N 89°39′0.4″W (39.7817, -89.6501)
Explore Illinois
Every topic we hold for this place, and the same topic for the places around it.
Befolkning for related places
Frequently asked questions
Where is Illinois?
Illinois is a state in USA. Its coordinates are 39.7817, -89.6501. It lies in Nordamerika.
What is the weather like in Illinois lige nu?
It is currently 23°C (73°F) med klart. Luftfugtighed is 47% and wind is 13 km/h.
When is the best time og visit Illinois?
maj, august, september and oktober offer the most comfortable conditions in Illinois, which has a continental climate. januar, februar and december are usually the hardest months for outdoor plans.
What time zone is Illinois in?
Illinois observes America/Chicago (UTC-05:00). The local time is 11:38 PM.
How many people live in Illinois?
Illinois has a population of approximately 12.6 million.
What is the nearest airport og Illinois?
The closest airports are O'Hare International Airport (ORD), 284 km away and Nashville International Airport (BNA), 483 km away.
What are the top things og do in Illinois?
Popular options include Starved Rock State Park, Lake Michigan, Gateway Arch National Park and Indiana Dunes National Park.
What places are in Illinois?
Illinois covers 4 places in this atlas, including Chicago, Starved Rock State Park, Cook County and Lake Michigan.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts. |
|---|---|
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated september 14, 2026 at 11:38 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
