Bremer County, Iowa

Bremer County, Iowa, has 25,296 residents (July 2025 estimate). Its county seat is Waverly. It uses Central Time and covers 435 sq mi (1,128 km²) of land.

Des MoinesCedar RapidsDavenport
Bremer County in Iowa
WaverlyDenverSumnerTripoliJanesville
Bremer County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
25,296
Land area
435 sq mi (1,128 km²)
County seat or government
Waverly
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$86,784 ± $2,629
Median home value
$219,600 ± $8,757
Median rent, with utilities
$921 ± $78
Homes lived in by their owners
79.7% ± 1.8 points
County type
County
Metro or micro area
Waterloo-Cedar Falls, IA metro areaOutlying county
Water area
3.93 sq mi (10.2 km²)
State
Iowa
County code (FIPS)
19017
Coordinates (central point)
42.780895, -92.327356

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 Bremer 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. 5067712,673 people
  2. 506223,549 people
  3. 506743,446 people
  4. 506582,450 people
  5. 506702,270 people
  6. 506292,082 people
  7. 506762,017 people
  8. 506471,978 people
  9. 506301,372 people
  10. 506681,216 people
  11. 506451,193 people
  12. 50666753 people
All 13
  1. 50631225 people

13 ZIP Code areas overlap Bremer 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 Bremer County, largest first

  1. Jefferson Township3,584 people
  2. Fremont Township1,735 people
  3. Jackson Township1,471 people
  4. Maxfield Township1,279 people
  5. Polk Township916 people
  6. Lafayette Township619 people
  7. Warren Township570 people
  8. Frederika Township410 people
  9. Franklin Township400 people
  10. Washington Township397 people
  11. Dayton Township352 people
  12. Douglas Township342 people
All 14
  1. Le Roy Township273 people
  2. Sumner No. 2 Township266 people

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

School districts in Bremer County, largest first

  1. Waverly-Shell Rock Community School District14,332 people
  2. Sumner-Fredericksburg Community School District4,609 people
  3. Denver Community School District4,412 people
  4. Nashua-Plainfield Community School District3,914 people
  5. Wapsie Valley Community School District3,748 people
  6. Janesville Consolidated School District2,650 people
  7. Tripoli Community School District2,568 people
  8. Dunkerton Community School District2,377 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. Waverly, Iowa (city)10,494 people
  2. Denver, Iowa (city)2,379 people
  3. Sumner, Iowa (city)2,106 people
  4. Tripoli, Iowa (city)1,156 people
  5. Janesville, Iowa (city)917 people
  6. Readlyn, Iowa (city)736 people
  7. Plainfield, Iowa (city)314 people
  8. Frederika, Iowa (city)236 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Chickasaw County, Iowa19 mi north
  2. Black Hawk County, Iowa21 mi south
  3. Butler County, Iowa23 mi west
  4. Fayette County, Iowa25 mi east
  5. Floyd County, Iowa30 mi northwest
  6. Buchanan County, Iowa33 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.