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Where am ILOCATED

Marshall County, Iowa

Marshall County, Iowa, has 39,890 residents (July 2025 estimate). Its county seat is Marshalltown. It uses Central Time and covers 573 sq mi (1,483 km²) of land.

Des MoinesCedar RapidsDavenport
Marshall County in Iowa
MarshalltownState CenterMelbourneLe GrandGilman
Marshall County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
39,890
Land area
573 sq mi (1,483 km²)
County seat or government
Marshalltown
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$73,315 ± $3,402
Median home value
$145,500 ± $6,283
Median rent, with utilities
$885 ± $55
Homes lived in by their owners
75% ± 2.0 points
County type
County
Metro or micro area
Marshalltown, IA micro areaCentral county
Water area
0.7 sq mi (1.8 km²)
State
Iowa
County code (FIPS)
19127
Coordinates (central point)
42.041700, -92.981403
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 Marshall 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. 5015831,396 people
  2. 502472,004 people
  3. 500281,981 people
  4. 506211,601 people
  5. 506351,423 people
  6. 506321,201 people
  7. 501621,164 people
  8. 501061,163 people
  9. 500551,102 people
  10. 50258958 people
  11. 50005812 people
  12. 50142720 people
All 21
  1. 50141587 people
  2. 50234559 people
  3. 50120428 people
  4. 50148406 people
  5. 50609377 people
  6. 50239354 people
  7. 50206349 people
  8. 50051224 people
  9. 5007885 people

21 ZIP Code areas overlap Marshall 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 Marshall County, largest first

  1. Taylor Township19,661 people
  2. Timber Creek Township10,246 people
  3. State Center Township1,635 people
  4. Le Grand Township1,402 people
  5. Greencastle Township1,123 people
  6. Logan Township1,053 people
  7. Jefferson Township880 people
  8. Marion Township823 people
  9. Eden Township714 people
  10. Minerva Township597 people
  11. Bangor Township595 people
  12. Washington Township389 people
All 16
  1. Liscomb Township314 people
  2. Vienna Township257 people
  3. Liberty Township235 people
  4. Marietta Township190 people

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

School districts in Marshall County, largest first

  1. Marshalltown Community School District30,337 people
  2. West Marshall Community School District4,357 people
  3. Gladbrook-Reinbeck Community School District4,316 people
  4. East Marshall Community School District3,780 people
  5. Eldora-New Providence Community School District3,596 people
  6. BCLUW Community School District3,566 people
  7. Collins-Maxwell Community School District3,287 people
  8. Colo-NESCO Community School District2,542 people
  9. Baxter Community School District2,213 people
  10. GMG Community School District2,060 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. Marshalltown, Iowa (city)27,626 people
  2. State Center, Iowa (city)1,412 people
  3. Melbourne, Iowa (city)804 people
  4. Le Grand, Iowa (city)720 people
  5. Gilman, Iowa (city)623 people
  6. Albion, Iowa (city)622 people
  7. Liscomb, Iowa (city)298 people
  8. Laurel, Iowa (city)278 people
  9. Rhodes, Iowa (city)265 people
  10. Haverhill, Iowa (city)142 people
  11. Clemons, Iowa (city)108 people
  12. St. Anthony, Iowa (city)92 people
All 14
  1. Green Mountain, Iowa (CDP)87 people
  2. Ferguson, Iowa (city)85 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Tama County, Iowa23 mi east
  2. Story County, Iowa25 mi west
  3. Jasper County, Iowa25 mi south
  4. Grundy County, Iowa27 mi north
  5. Hardin County, Iowa28 mi northwest
  6. Poweshiek County, Iowa34 mi southeast

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.