IA · GEOID 19017

Bremer County area

Bremer County, Iowa covers 439.4 square miles: 435.5 square miles of land and 3.9 square miles of water.

Official Census measurements2026 Gazetteer · retrieved September 27, 2026
Land area435.5 mi²
Water area3.9 mi²
Total area439.4 mi²
National land rank#2327

County outline

Generalized outline of Bremer County, Iowa
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Bremer County is located

Bremer County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 99.1% of Bremer County’s measured area and water for 0.9%. Its combined area converts to 1,138.1 square kilometers or approximately 281,219 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land435.4791,127.885278,706.6
Water3.92510.1662,512
Total439.4041,138.051281,218.6

How Bremer County compares

By original Census land area, Bremer County ranks #82 of 99 in Iowa and #2327 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.765 times the Iowa county-equivalent median of 569.6 square miles. It accounts for 0.8% of the combined county land area in the state.

See the complete Iowa ranking · What counts as a county equivalent?

What stands out about Bremer County?

Bremer County has more land than 895 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Bremer County435.5 mi²
Iowa median569.6 mi²
National median604.5 mi²

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Bremer County at #2,391 nationally by total area, 64 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.

Its water share is 0.9%, compared with a national county-equivalent median of 1.2% — 0.3 percentage points lower. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Bremer County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2326Jefferson County, Iowa435.5Compare
#2327Bremer County, Iowa435.5This county
#2328Lee County, Virginia435.4Compare

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.

Representative coordinates

The Census internal point is 42.780895, -92.327356. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.

Source and precision

U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 1,127,885,599 m²; AWATER: 10,166,458 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How many acres of land are in Bremer County?

The land measurement converts to approximately 278,707 acres. Including water, total area is approximately 281,219 acres. One square mile equals 640 acres.

Why might another source show a different area?

Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.

Can this establish a property boundary?

No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.

Cite this county

Download the complete CSV or JSON dataset