Boulder Illinois Map

About Boulder, Illinois

Boulder is a locality in Clinton County, Illinois, United States. It is a small community with a population of 480. The population density is 18.0 people per km². Boulder is located at 38.6967°N, 89.2256°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 62231.

Boulder lies in a gentle depression of the land, where the soil, a rich, dark loam, speaks of centuries of patient growth and decay. It lies 37.7 miles east-north-east of O'Fallon, IL (from O'Fallon, IL: bearing 79°T), and is situated 9.9 miles north-east of Carlyle. The landscape here is not dramatic, but possesses a quiet dignity; broad fields of corn and soybeans unfurl towards horizons softened by the haze of summer afternoons, their green and gold hues shifting with the breeze. Scattered groves of oak and maple punctuate the cultivated expanses, their leaves rustling with secrets only the wind understands, and in the distance, the land rises imperceptibly, suggesting the slow, geological unfolding of the earth. The air, especially in the early morning, carries the clean scent of damp earth and growing things, a palpable freshness that seems to linger long after the sun has climbed high. The history of Boulder is as deeply rooted as the ancient trees that once stood sentinel over these rolling acres. Settled by those seeking fertile ground and a life of honest labor, the economy of Boulder has long been tied to the bounty of its soil, with agriculture forming the backbone of its existence. The rhythm of planting and harvest dictates the pulse of life here, a cadence passed down through generations. While no grand monuments mark its past, the weathered barns and sturdy farmhouses dotting the countryside are silent testaments to the enduring spirit of its people. The local character is one of quiet resilience and neighborly concern, a place where the slowing pace of life allows for genuine connection, and the simple beauty of a clear night sky, unmarred by city lights, is a nightly marvel.

About This Boulder Map Page

This page provides an interactive Google map of Boulder, Illinois with street, satellite and terrain views and integrated Street View imagery. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Boulder and Clinton County.

Detailed location data for Boulder includes the ZIP code (62231), telephone area code (217), county seat of Clinton County (Carlyle), and school district assignment. These are among the most commonly searched location details for any US city or town.

Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Boulder is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.