This is a large, detailed map of Illinois. There are links to many Illinois localities below.
View our Illinois State county map

from the National Atlas of the United States
United States Department of the Interior
Explore Illinois with this interactive street and satellite map. You can “grab” the Illinois map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find links to city and town maps, live weather and local news below.
| State | Illinois |
| Capital | Springfield |
| Largest City | Chicago |
| Country | United States of America |
| Statehood | 1818 |
| Nickname | Prairie State |
| Latitude | 40.3156 |
| Longitude | -89.0718 |
| Population | 12,812,508 |
| Cities & Towns | 1,622 |
| Counties | 103 |
| County Map | Illinois County Map |
Illinois unfolds across a generous expanse, its character shaped by the immense, sky-bound waters of Lake Michigan to its northeast and the deep, fertile plains that stretch south and west. This is a state of subtle transitions, where the urban grid of Chicago, a city built with a singular, determined energy, gives way to the unbroken horizon of corn and soybeans that defines so much of its downstate heartland. Rivers, broad and purposeful, act as natural boundaries and arteries: the mighty Mississippi forms its western edge, the Illinois River snakes its way through the interior, and the Ohio River marks its southern frontier. While mountains are absent, the terrain is not entirely flat; gentle swells and shallow valleys lend a quiet character to the landscape, particularly in the bluffs that rise above the great rivers, offering glimpses of a land carved by water and wind over eons.
The deep roots of Illinois are firmly planted in the soil of Indigenous history, a legacy that predates European arrival by millennia. Nations like the Peoria, Kickapoo, and Potawatomi thrived here, their lives interwoven with the rhythms of the land and its waterways. The arrival of French explorers and traders in the 17th century marked the beginning of a new era, followed by the influx of American settlers drawn by the promise of fertile land and strategic waterways. The crucible of the 19th century forged Illinois into a state of consequence: its pivotal role in the Civil War, its burgeoning industrial might, and the profound influence of figures like Abraham Lincoln, whose spirit seems to linger in the quiet dignity of its towns and the enduring sense of purpose that has always characterized its people.
The economic engine of Illinois has long been powered by the bounty of its land and the ingenuity of its people. Agriculture remains a cornerstone, with vast fields yielding corn and soybeans that feed the nation and the world. This agrarian foundation is complemented by a robust industrial sector, historically centered on manufacturing and transportation, particularly around the vital hub of Chicago. The state's strategic position as a crossroads for commerce, amplified by its extensive network of rivers and rail lines, has fostered a dynamic economy that continues to evolve, embracing new technologies and industries while honoring its productive past. The very air in its agricultural regions often carries the faint, earthy perfume of soil freshly turned, a constant reminder of this fundamental source of prosperity.
The cultural spirit of Illinois is as varied as its landscape, a blend of Midwestern pragmatism and a distinct, often understated, artistic sensibility. Chicago, in particular, has long been a magnet for creative expression, from its pioneering architectural achievements to its vibrant music scenes, which have birthed genres and shaped the nation's sound. Downstate, a quieter cadence prevails, characterized by a strong sense of community and a deep connection to the land, where the pace of life often mirrors the slow, deliberate growth of the crops in the fields. Whether it's the roar of the crowd at a collegiate sporting event or the intimate gathering in a local diner, there is an authenticity to the people of Illinois, a straightforwardness that is as refreshing as a cool breeze sweeping across the prairie on a summer evening.
This page provides an interactive map of Illinois (IL) alongside links to detailed street maps for 1,622 cities and towns across the state. The state capital is Springfield and the largest city is Chicago, with a state population of approximately 12,812,508.
Each city and town map page includes an embedded street and satellite map — switch between views using the small square in the bottom left-hand corner of the map. Live weather where available combines National Weather Service forecasts with Open-Meteo graphical data including hourly and 7-day outlooks. Local and world news, Wikipedia location summaries, and precise GPS coordinates are included where available.
Location data is sourced from the USGS GNIS database and verified by coordinates, not name matching alone.