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Where am ILOCATED

Effingham County, Illinois

Effingham County, Illinois, has 34,519 residents (July 2025 estimate). Its county seat is Effingham. It uses Central Time and covers 479 sq mi (1,240 km²) of land.

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Effingham County in Illinois
EffinghamAltamontDieterichWatson
Effingham County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
34,519
Land area
479 sq mi (1,240 km²)
County seat or government
Effingham
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$80,404 ± $3,469
Median home value
$189,500 ± $10,445
Median rent, with utilities
$733 ± $29
Homes lived in by their owners
78.2% ± 1.8 points
County type
County
Metro or micro area
Effingham, IL micro areaCentral county
Water area
1.23 sq mi (3.18 km²)
State
Illinois
County code (FIPS)
17049
Coordinates (central point)
39.047945, -88.592849
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 Effingham 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. 6240119,273 people
  2. 624114,249 people
  3. 624673,710 people
  4. 628583,554 people
  5. 624242,500 people
  6. 624582,176 people
  7. 624141,783 people
  8. 624431,609 people
  9. 628381,341 people
  10. 624731,264 people
  11. 62445986 people
  12. 62462971 people
All 15
  1. 62426778 people
  2. 62479711 people
  3. 62461625 people

15 ZIP Code areas overlap Effingham 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

Effingham 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 Effingham County, largest first

  1. Douglas Township12,629 people
  2. Summit Township3,743 people
  3. Mound Township3,532 people
  4. Watson Township3,185 people
  5. Teutopolis Township2,751 people
  6. Bishop Township1,899 people
  7. Mason Township1,677 people
  8. Jackson Township1,168 people
  9. St. Francis Township1,153 people
  10. Liberty Township631 people
  11. Union Township598 people
  12. Banner Township505 people
All 15
  1. West Township376 people
  2. Lucas Township370 people
  3. Moccasin Township305 people

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

School districts in Effingham County, largest first

  1. Effingham Community Unit School District 4020,184 people
  2. Teutopolis Community Unit School District 505,732 people
  3. Altamont Community Unit School District 104,707 people
  4. North Clay Community Unit School District 254,385 people
  5. Dieterich Community Unit School District 302,715 people
  6. Stewardson-Strasburg Community Unit District 5A2,630 people
  7. St. Elmo Community Unit School District 2022,523 people
  8. Beecher City Community Unit School District 202,233 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. Effingham, Illinois (city)12,342 people
  2. Altamont, Illinois (city)2,282 people
  3. Teutopolis, Illinois (village)1,729 people
  4. Dieterich, Illinois (village)1,169 people
  5. Watson, Illinois (village)620 people
  6. Mason, Illinois (town)467 people
  7. Beecher City, Illinois (village)414 people
  8. Edgewood, Illinois (village)351 people
  9. Shumway, Illinois (village)260 people
  10. Montrose, Illinois (village)255 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Clay County, Illinois22 mi south
  2. Fayette County, Illinois23 mi west
  3. Jasper County, Illinois24 mi east
  4. Cumberland County, Illinois24 mi northeast
  5. Shelby County, Illinois26 mi northwest

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.