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Where am ILOCATED

Massac County, Illinois

Massac County, Illinois, has 13,502 residents (July 2025 estimate). Its county seat is Metropolis. It uses Central Time and covers 237 sq mi (614 km²) of land.

ChicagoAurora
Massac County in Illinois
MetropolisBrookportJoppa
Massac County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
13,502
Land area
237 sq mi (614 km²)
County seat or government
Metropolis
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$65,116 ± $7,385
Median home value
$121,900 ± $16,593
Median rent, with utilities
$756 ± $61
Homes lived in by their owners
76.4% ± 2.7 points
County type
County
Metro or micro area
Paducah, KY-IL metro areaOutlying county
Water area
4.93 sq mi (12.8 km²)
State
Illinois
County code (FIPS)
17127
Coordinates (central point)
37.216119, -88.705658
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 Massac 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. 6296010,783 people
  2. 629382,622 people
  3. 629101,993 people
  4. 629561,172 people
  5. 62941639 people
  6. 62908440 people
  7. 62943428 people
  8. 62953259 people

8 ZIP Code areas overlap Massac 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

Massac 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.

Precincts in Massac County, largest first

  1. Jefferson Precinct2,288 people
  2. Washington Precinct1,232 people
  3. Adkins Precinct1,200 people
  4. Grant Precinct1,149 people
  5. East Brooklyn Precinct1,066 people
  6. West Brooklyn Precinct898 people
  7. Metropolis No. 3 Precinct851 people
  8. Hillerman Precinct783 people
  9. Metropolis No. 4 Precinct765 people
  10. Lincoln Precinct654 people
  11. Franklin Precinct576 people
  12. Logan Precinct571 people
All 17
  1. Metropolis No. 2 Precinct495 people
  2. Metropolis No. 1 Precinct445 people
  3. Benton Precinct371 people
  4. Jackson Precinct352 people
  5. Georges Creek Precinct169 people

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

School districts in Massac County, largest first

  1. Massac Unit School District 112,260 people
  2. Vienna High School District 1339,821 people
  3. Vienna School District 555,581 people
  4. Century Community Unit School District 1002,119 people
  5. Joppa-Maple Grove Unit District 381,389 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. Metropolis, Illinois (city)5,864 people
  2. Brookport, Illinois (city)733 people
  3. Joppa, Illinois (village)259 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. McCracken County, Kentucky11 mi south
  2. Pope County, Illinois17 mi northeast
  3. Livingston County, Kentucky19 mi east
  4. Johnson County, Illinois19 mi northwest
  5. Pulaski County, Illinois23 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.