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Where am ILOCATED

Jasper County, Iowa

Jasper County, Iowa, has 38,153 residents (July 2025 estimate). Its county seat is Newton. It uses Central Time and covers 730 sq mi (1,892 km²) of land.

Des MoinesCedar RapidsDavenport
Jasper County in Iowa
NewtonMitchellvilleMonroePrairie City
Jasper County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
38,153
Land area
730 sq mi (1,892 km²)
County seat or government
Newton
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$71,311 ± $2,918
Median home value
$186,300 ± $10,145
Median rent, with utilities
$836 ± $34
Homes lived in by their owners
72.3% ± 2.5 points
County type
County
Metro or micro area
Des Moines-West Des Moines, IA metro areaOutlying county
Water area
2.52 sq mi (6.54 km²)
State
Iowa
County code (FIPS)
19099
Coordinates (central point)
41.685551, -93.054147
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 Jasper 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. 5020820,595 people
  2. 5011211,862 people
  3. 501693,667 people
  4. 502373,635 people
  5. 500543,166 people
  6. 501703,024 people
  7. 501612,296 people
  8. 502282,120 people
  9. 500281,981 people
  10. 501351,754 people
  11. 502511,365 people
  12. 501621,164 people
All 21
  1. 501061,163 people
  2. 500551,102 people
  3. 50153890 people
  4. 50168826 people
  5. 50141587 people
  6. 50232569 people
  7. 50234559 people
  8. 50137114 people
  9. 5012710 people

21 ZIP Code areas overlap Jasper 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 Jasper County, largest first

  1. Newton Township15,266 people
  2. Palo Alto Township4,245 people
  3. Washington Township2,675 people
  4. Fairview Township2,611 people
  5. Des Moines Township2,168 people
  6. Lynn Grove Township1,973 people
  7. Independence Township1,746 people
  8. Poweshiek Township1,234 people
  9. Rock Creek Township1,206 people
  10. Kellogg Township1,062 people
  11. Mound Prairie Township710 people
  12. Buena Vista Township572 people
All 19
  1. Hickory Grove Township530 people
  2. Malaka Township435 people
  3. Elk Creek Township433 people
  4. Clear Creek Township422 people
  5. Sherman Township394 people
  6. Richland Township170 people
  7. Mariposa Township102 people

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

School districts in Jasper County, largest first

  1. Southeast Polk Community School District43,814 people
  2. Newton Community School District21,512 people
  3. Pella Community School District15,694 people
  4. Grinnell-Newburg Community School District12,729 people
  5. Bondurant-Farrar Community School District11,137 people
  6. PCM Community School District5,567 people
  7. Colfax-Mingo Community School District4,155 people
  8. East Marshall Community School District3,780 people
  9. Collins-Maxwell Community School District3,287 people
  10. Lynnville-Sully Community School District2,975 people
  11. Baxter Community School District2,213 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. Newton, Iowa (city)15,700 people
  2. Mitchellville, Iowa (city)2,579 people
  3. Colfax, Iowa (city)2,210 people
  4. Monroe, Iowa (city)2,120 people
  5. Prairie City, Iowa (city)1,711 people
  6. Baxter, Iowa (city)1,247 people
  7. Sully, Iowa (city)1,022 people
  8. Kellogg, Iowa (city)676 people
  9. Lynnville, Iowa (city)527 people
  10. Mingo, Iowa (city)328 people
  11. Oakland Acres, Iowa (city)191 people
  12. Lambs Grove, Iowa (city)181 people
All 14
  1. Reasnor, Iowa (city)152 people
  2. Valeria, Iowa (city)43 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Marion County, Iowa25 mi south
  2. Marshall County, Iowa25 mi north
  3. Polk County, Iowa27 mi west
  4. Poweshiek County, Iowa27 mi east
  5. Story County, Iowa32 mi northwest
  6. Mahaska County, Iowa33 mi southeast
  7. Tama County, Iowa38 mi northeast

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.