Current Date And Time In Illinois, United States
Saturday, 27 June 2026
10:19:12 PDT
Capital: Springfield
Currency: United States Dollar (USD)
Timezone: UTC -08:00 (PDT)
Population: 12,710,158
Area: 149,998.00 km²
State Code: IL
Explore complete geographic and administrative data about Illinois, a state or region of United States in North America. Find GPS coordinates, time zone, currency, dialing code, TLD domain, elevation and the live local date & time for Illinois — all in one place for quick reference, business planning and location intelligence.
Key Benefits: Location intelligence for market research • Real-time local date & time for global scheduling • Currency data for financial planning • GPS coordinates for logistics & route planning • Dialing code for telecom setup • State-level data for strategic decision-making
| Category | Attribute | Value |
|---|---|---|
| State | ||
| Full Name | Illinois | |
| Native Name | State of Illinois | |
| State Capital | Springfield | |
| State Code | IL | |
| Total Districts | 102 | |
| Country | United States | |
| Continent | North America | |
| Population | ||
| Total Population | 12,710,158 | |
| Percentage In World Population | 0.1559% | |
| Percentage In United States Population | 3.69% | |
| Density per km2 | 46.36 | |
| Area | ||
| Area in km2 | 149,998.00 | |
| Area in mi2 | 57,914.53 | |
| Area Rank in Country | Rank #25 | |
| Percentage of United States Area | 1.56% | |
| Currency | ||
| Name | United States Dollar | |
| Code ISO-4217 | USD | |
| Symbol | $ | |
| Dialing Code | ||
| Country Calling Code | +1 | |
| International Exit Prefix | 011 | |
| Internet Top-Level Domain (TLD) | ||
| Domain | .us | |
| Elevation | ||
| In Meter | 252 | |
| In Feet | 827 | |
| GPS Coordinates | ||
| Latitude | 40.63 | |
| Longitude | -89.4 | |
| Decimal Degrees (DD) | 40.633° N 89.399° W | |
| Degrees Minutes Seconds (DMS) | 40° 37' 59" N 89° 23' 55" W | |
| Degrees Decimal Minutes (DDM) | 40° 37.99' N 89° 23.91' W | |
| Time Zone | ||
| UTC Offset | -10:00 to -05:00 | |
| Daylight Saving Time (DST) | -10:00 to -04:00 |
Below is a list of the largest cities and urban centers in Illinois, sorted by total population. Each city profile features dynamic geographical data, GPS coordinates and population metrics, providing location intelligence and regional intelligence data for logistics planning, route optimization and business market research within United States.
| City Name | Population | Latitude | Longitude |
|---|---|---|---|
| Chicago | 2,664,452 | 41.85° N | 87.65° W |
| Aurora | 200,661 | 41.761° N | 88.32° W |
| Rockford | 148,278 | 42.271° N | 89.094° W |
| Joliet | 147,861 | 41.525° N | 88.083° W |
| Naperville | 147,100 | 41.786° N | 88.147° W |
| Peoria | 115,070 | 40.694° N | 89.589° W |
| Springfield | 114,394 | 39.802° N | 89.644° W |
| North Peoria | 113,004 | 40.718° N | 89.584° W |
| Elgin | 112,111 | 42.037° N | 88.281° W |
| Waukegan | 88,475 | 42.364° N | 87.845° W |
Illinois is an administrative region of United States, located in North America. It forms a key geographic and administrative unit within United States's national structure. Business professionals, travel planners, logistics teams and location analysts rely on data from Illinois for market research, site selection, supply chain optimization and strategic decision-making. › Explore all states of United States
Precise GPS coordinates of Illinois enable accurate mapping for logistics planning, delivery route optimization and supply chain management. The geographic position of Illinois within United States plays a vital role in regional connectivity, transportation infrastructure and proximity analysis for businesses entering North America markets. › View Illinois on map
Understanding the local time zone of Illinois is essential for scheduling international calls, coordinating cross-border operations and planning virtual business meetings. The UTC offset for this region directly affects trading hours, financial transactions and real-time communications with global teams operating across different time zones. › Compare country time zones
The official currency used in Illinois is United States dollar (USD). Accurate currency data is critical for financial planning, international trade, foreign exchange operations and travel expense budgeting. Businesses expanding into United States need this information for pricing strategies, payment processing and cross-border financial reporting. › Browse all country currencies
The international dialing code and phone prefix for Illinois are essential for businesses setting up customer service lines, call centers and international communication networks. Telecommunications professionals rely on accurate dialing data for VoIP configuration, PBX systems and remote workforce management across United States. › View all country calling codes
Illinois is one of the administrative divisions that shapes the geographic identity of United States in North America. Professionals in location intelligence, regional planning and demographic analysis use state-level data to drive informed decisions — from elevation and GPS data to time zone alignment and internet domain details. › Nearby states | Cities in Illinois
As of the latest data, Illinois has a population of approximately 12,710,158 people. This represents approximately 3.69% of United States's total population. The population density is 46.36 people per km². For more detailed population statistics, explore our comprehensive database.
Illinois covers an area of approximately 149,998.00 square kilometers (57,914.53 square miles). This is about 1.56% of United States's total area. For comparative analysis of country and region sizes, explore our geographic database.
The capital city of Illinois is Springfield. It serves as the administrative and political centre of the region within United States. The national capital of United States is Washington.
Illinois follows the -10:00 to -05:00 timezone, with Daylight Saving Time (DST) adjustments to -10:00 to -04:00 — the same as its parent country United States. Understanding timezone differences is crucial for international business operations and coordinating with partners across regions.
The currency used in Illinois is the United States dollar (USD), represented by the symbol $ — the official currency of United States. For exchange rates and conversion tools, visit our international currency database.
