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Where am ILOCATED

Sangamon County, Illinois

Sangamon County, Illinois, has 194,170 residents (July 2025 estimate). Its county seat is Springfield. It uses Central Time and covers 868 sq mi (2,249 km²) of land.

ChicagoAurora
Sangamon County in Illinois
Christian CountySpringfieldChathamShermanAuburnRochester
Sangamon County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
194,170
Land area
868 sq mi (2,249 km²)
County seat or government
Springfield
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$75,357 ± $1,749
Median home value
$176,300 ± $4,624
Median rent, with utilities
$983 ± $18
Homes lived in by their owners
71.3% ± 1.1 points
County type
County
Metro or micro area
Springfield, IL metro areaCentral county
Water area
8.78 sq mi (22.7 km²)
State
Illinois
County code (FIPS)
17167
Coordinates (central point)
39.756886, -89.662435
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 Sangamon 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. 6270440,046 people
  2. 6270231,033 people
  3. 6270328,922 people
  4. 6271118,559 people
  5. 6262915,413 people
  6. 6271210,045 people
  7. 627077,472 people
  8. 625635,766 people
  9. 626845,760 people
  10. 626155,198 people
  11. 625614,842 people
  12. 626903,838 people
All 30
  1. 625583,639 people
  2. 626133,598 people
  3. 626702,682 people
  4. 626772,149 people
  5. 625482,090 people
  6. 626922,005 people
  7. 626931,677 people
  8. 625201,652 people
  9. 625301,558 people
  10. 625391,412 people
  11. 626611,212 people
  12. 627011,205 people
  13. 625451,101 people
  14. 625361,049 people
  15. 626251,003 people
  16. 62515902 people
  17. 62689542 people
  18. 627060 people

30 ZIP Code areas overlap Sangamon 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

Sangamon County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Sangamon County, largest first

  1. Capital Township111,650 people
  2. Woodside Township11,416 people
  3. Chatham Township8,443 people
  4. Clear Lake Township8,302 people
  5. Ball Township7,571 people
  6. Auburn Township5,866 people
  7. Fancy Creek Township5,826 people
  8. Rochester Township5,538 people
  9. Springfield Township5,522 people
  10. Gardner Township4,608 people
  11. Williams Township3,422 people
  12. Pawnee Township2,985 people
All 26
  1. Mechanicsburg Township2,301 people
  2. Curran Township1,625 people
  3. Divernon Township1,561 people
  4. Illiopolis Township1,488 people
  5. New Berlin Township1,481 people
  6. Loami Township1,169 people
  7. Cartwright Township1,129 people
  8. Cotton Hill Township1,099 people
  9. Cooper Township763 people
  10. Island Grove Township467 people
  11. Maxwell Township238 people
  12. Talkington Township161 people
  13. Lanesville Township160 people
  14. Buffalo Hart Township156 people

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

School districts in Sangamon County, largest first

  1. Springfield School District 186107,776 people
  2. Ball-Chatham Community Unit School District 530,635 people
  3. Rochester Community Unit School District 3A10,634 people
  4. North Mac Community Unit School District 347,864 people
  5. Williamsville Community Unit School District 157,650 people
  6. Riverton Community Unit School District 147,339 people
  7. Pleasant Plains Community Unit School District 87,211 people
  8. Porta Community Unit School District 2026,880 people
  9. Auburn Community Unit School District 106,678 people
  10. New Berlin CUSD 165,915 people
  11. Athens Community Unit School District 2135,529 people
  12. Sangamon Valley Community Unit School District 94,093 people
All 18
  1. Tri-City Community Unit School District 13,586 people
  2. Mount Pulaski Community Unit District 233,581 people
  3. Pawnee Community Unit School District 113,280 people
  4. A-C Central Community Unit School District 2622,352 people
  5. Waverly Community Unit School District 62,070 people
  6. Edinburg Community Unit School District 41,965 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. Springfield, Illinois (city)113,330 people
  2. Chatham, Illinois (village)14,639 people
  3. Sherman, Illinois (village)4,386 people
  4. Auburn, Illinois (city)4,306 people
  5. Rochester, Illinois (village)3,766 people
  6. Riverton, Illinois (village)3,513 people
  7. Virden, Illinois (city)3,171 people
  8. Pawnee, Illinois (village)2,738 people
  9. Jerome, Illinois (village)1,807 people
  10. Southern View, Illinois (village)1,751 people
  11. Leland Grove, Illinois (city)1,517 people
  12. New Berlin, Illinois (village)1,442 people
All 26
  1. Williamsville, Illinois (village)1,314 people
  2. Grandview, Illinois (village)1,243 people
  3. Divernon, Illinois (village)1,164 people
  4. Illiopolis, Illinois (village)890 people
  5. Pleasant Plains, Illinois (village)886 people
  6. Spaulding, Illinois (village)879 people
  7. Loami, Illinois (village)782 people
  8. Mechanicsburg, Illinois (village)728 people
  9. Dawson, Illinois (village)536 people
  10. Thayer, Illinois (village)531 people
  11. Buffalo, Illinois (village)482 people
  12. Cantrall, Illinois (village)142 people
  13. Curran, Illinois (village)115 people
  14. Berlin, Illinois (village)103 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Menard County, Illinois20 mi north
  2. Christian County, Illinois25 mi southeast
  3. Morgan County, Illinois29 mi west
  4. Logan County, Illinois30 mi northeast
  5. Cass County, Illinois34 mi northwest
  6. Macoupin County, Illinois37 mi southwest
  7. Montgomery County, Illinois38 mi south
  8. Macon County, Illinois38 mi east

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.