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Where am ILOCATED

Menard County, Illinois

Menard County, Illinois, has 11,863 residents (July 2025 estimate). Its county seat is Petersburg. It uses Central Time and covers 314 sq mi (814 km²) of land.

ChicagoAurora
Menard County in Illinois
PetersburgAthensLake PetersburgGreenviewTallula
Menard County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
11,863
Land area
314 sq mi (814 km²)
County seat or government
Petersburg
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$82,176 ± $3,121
Median home value
$185,500 ± $8,458
Median rent, with utilities
$885 ± $166
Homes lived in by their owners
79.5% ± 2.7 points
County type
County
Metro or micro area
Springfield, IL metro areaOutlying county
Water area
1.02 sq mi (2.64 km²)
State
Illinois
County code (FIPS)
17129
Coordinates (central point)
40.022569, -89.794133
Open this point in the location finder

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 Menard County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-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

  1. 626756,170 people
  2. 626133,598 people
  3. 626772,149 people
  4. 626931,677 people
  5. 626421,396 people
  6. 62688678 people
  7. 62666485 people
  8. 62673361 people

8 ZIP Code areas overlap Menard 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.

Precincts in Menard County, largest first

  1. Athens North No. 2 Precinct1,967 people
  2. Petersburg South No. 15 Precinct1,611 people
  3. Athens South No. 1 Precinct1,580 people
  4. Petersburg East No. 13 Precinct1,377 people
  5. Greenview No. 6 Precinct1,078 people
  6. Petersburg West No. 16 Precinct889 people
  7. Petersburg North No. 14 Precinct878 people
  8. Indian Creek No. 7 Precinct640 people
  9. Tallula No. 11 Precinct614 people
  10. Rock Creek No. 12 Precinct494 people
  11. Oakford No. 9 Precinct319 people
  12. Sugar Grove No. 5 Precinct228 people
All 16
  1. Atterberry No. 10 Precinct206 people
  2. Sandridge No. 8 Precinct117 people
  3. Fancy Prairie No. 3 Precinct64 people
  4. Irish Grove No. 4 Precinct33 people

People counts are American Community Survey 2020–2024 5-year estimates. All precincts in Illinois, by county

School districts in Menard County, largest first

  1. Lincoln Community High School District 40419,952 people
  2. Williamsville Community Unit School District 157,650 people
  3. Pleasant Plains Community Unit School District 87,211 people
  4. Porta Community Unit School District 2026,880 people
  5. Athens Community Unit School District 2135,529 people
  6. Mount Pulaski Community Unit District 233,581 people
  7. A-C Central Community Unit School District 2622,352 people
  8. Greenview Community Unit School District 2001,582 people
  9. New Holland-Middletown Elementary School District 88830 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.

  1. Petersburg, Illinois (city)2,341 people
  2. Athens, Illinois (city)2,102 people
  3. Lake Petersburg, Illinois (CDP)928 people
  4. Greenview, Illinois (village)912 people
  5. Tallula, Illinois (village)494 people
  6. Oakford, Illinois (village)191 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Mason County, Illinois16 mi northwest
  2. Sangamon County, Illinois20 mi south
  3. Logan County, Illinois24 mi east
  4. Cass County, Illinois24 mi west

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.