Macoupin County, Illinois
Macoupin County, Illinois, has 43,748 residents (July 2025 estimate). Its county seat is Carlinville. It uses Central Time and covers 863 sq mi (2,235 km²) of land.
- Resident population, July 2025
- 43,748
- Land area
- 863 sq mi (2,235 km²)
- County seat or government
- Carlinville
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $70,805 ± $4,838
- Median home value
- $138,200 ± $7,868
- Median rent, with utilities
- $801 ± $45
- Homes lived in by their owners
- 78.5% ± 1.6 points
- County type
- County
- Metro or micro area
- St. Louis, MO-IL metro areaOutlying county
- Water area
- 4.71 sq mi (12.2 km²)
- State
- Illinois
- County code (FIPS)
- 17117
- Coordinates (central point)
- 39.265914, -89.926330
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Macoupin County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Central TimeAmerica/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 6200229,543 people
- 620568,528 people
- 626267,876 people
- 620126,672 people
- 620886,400 people
- 620334,294 people
- 626903,838 people
- 620143,669 people
- 626403,391 people
- 620692,897 people
- 620441,852 people
- 620091,723 people
All 28
28 ZIP Code areas overlap Macoupin County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Townships in Macoupin County, largest first
- Carlinville Township6,456 people
- Staunton Township5,423 people
- Brighton Township3,856 people
- Gillespie Township3,611 people
- Virden Township3,305 people
- Cahokia Township3,128 people
- Bunker Hill Township3,120 people
- Mount Olive Township3,072 people
- Girard Township2,140 people
- Dorchester Township1,667 people
- Shipman Township1,275 people
- North Palmyra Township818 people
All 26
- South Palmyra Township731 people
- Chesterfield Township712 people
- North Otter Township624 people
- Shaws Point Township512 people
- Nilwood Township445 people
- Polk Township441 people
- South Otter Township436 people
- Hillyard Township426 people
- Barr Township405 people
- Bird Township400 people
- Brushy Mound Township391 people
- Western Mound Township347 people
- Scottville Township336 people
- Honey Point Township273 people
People counts are American Community Survey 2020–2024 5-year estimates. All townships in Illinois, by county
School districts in Macoupin County, largest first
- Carlinville Community Unit School District 19,325 people
- Litchfield Community Unit School District 128,625 people
- Southwestern Community Unit School District 98,468 people
- Staunton Community Unit School District 68,229 people
- North Mac Community Unit School District 347,864 people
- Gillespie Community Unit School District 77,348 people
- Bunker Hill Community Unit School District 83,647 people
- Mount Olive Community Unit School District 53,076 people
- Panhandle Community Unit School District 22,941 people
- Greenfield Community Unit School District 102,577 people
- Northwestern Community Unit School District 22,341 people
- Waverly Community Unit School District 62,070 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Carlinville, Illinois (city)5,480 people
- Staunton, Illinois (city)4,298 people
- Virden, Illinois (city)3,171 people
- Gillespie, Illinois (city)2,815 people
- Brighton, Illinois (village)2,306 people
- Mount Olive, Illinois (city)1,872 people
- Girard, Illinois (city)1,743 people
- Benld, Illinois (city)1,495 people
- Bunker Hill, Illinois (city)1,178 people
- Shipman, Illinois (town)618 people
- Wilsonville, Illinois (village)505 people
- Palmyra, Illinois (village)486 people
All 27
- East Gillespie, Illinois (village)367 people
- Medora, Illinois (village)316 people
- Royal Lakes, Illinois (village)301 people
- Mount Clare, Illinois (village)292 people
- White City, Illinois (village)244 people
- Lake Ka-Ho, Illinois (village)235 people
- Chesterfield, Illinois (village)201 people
- Sawyerville, Illinois (village)200 people
- Dorchester, Illinois (village)182 people
- Standard City, Illinois (village)182 people
- Eagarville, Illinois (village)155 people
- Hettick, Illinois (village)153 people
- Nilwood, Illinois (town)151 people
- Modesto, Illinois (village)145 people
- Scottville, Illinois (village)94 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Montgomery County, Illinois24 mi east
- Greene County, Illinois25 mi west
- Jersey County, Illinois27 mi southwest
- Madison County, Illinois30 mi south
- Morgan County, Illinois35 mi northwest
- Sangamon County, Illinois37 mi north
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