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| City | Chesterfield |
| State | Illinois (IL) |
| County | Macoupin |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 39.255046 |
| Longitude | -90.063163 |
| Population | 201 |
| Density | 174.2 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 62630 |
| Area Code | 217 |
| County Seat | Carlinville |
| School District | Carlinville Community Unit School District 1 |
Chesterfield is a locality in Macoupin County, Illinois, United States. It is a small community with a population of 201. The population density is 174.2 people per km². Chesterfield is located at 39.2550°N, 90.0632°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 62630.
Chesterfield rests on land that breathes the quietude of the Illinois prairie, a place where the horizon stretches wide and the sky claims dominion. It lies 26.0 miles north-north-east of Alton, IL (from Alton, IL: bearing 14°T), and is situated 9.9 miles west of Carlinville. Gentle swells of farmland, a patchwork of verdant corn and golden soybeans, roll away from the modest cluster of buildings, interrupted only by stands of oak and maple that offer shade and a whisper of woodland. The air here, especially in the late afternoon, carries a clean, earthy scent, tinged with the sweetness of ripening crops and the distant hum of agricultural machinery, a constant, low thrum that underscores the days. It’s a landscape that invites contemplation, where the slow turning of the seasons dictates the rhythm of life, and the grand theatre of the sky, from dawn’s soft blush to the fiery spectacle of sunset, is the primary adornment. The story of Chesterfield is one of perseverance and quiet adaptation, rooted in the rich soil that has sustained it for generations. Its early economy was forged from the land, with agriculture forming the backbone of the community, a tradition that continues to define its character. While grand industries never took root, the ingenuity of its people is evident in the well-maintained fields and the sturdy, unpretentious homes that speak of self-reliance. Local lore often recalls the days when the railroad whistle was a more frequent sound, a reminder of a past where Chesterfield played a small but vital role in connecting communities. Today, the pace is measured, reflecting the enduring spirit of a place that finds its beauty not in ostentation, but in the enduring strength of its landscape and the enduring bonds of its inhabitants.
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This page provides an embedded street and satellite map of Chesterfield, Illinois — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 39.255046, -90.063163. 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 Chesterfield and Macoupin County.
Detailed location data for Chesterfield includes the ZIP code (62630), telephone area code (217), county seat of Macoupin County (Carlinville), and school district assignment (Carlinville Community Unit School District 1). 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 Chesterfield is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |