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Bremer County, IA
8 cities and towns and 9 ZIP codes in Bremer County, Iowa.
Population
25,204
Land area
435sq mi
People per sq mi
58
ZIP codes
9
Cities and towns in Bremer County
Bremer County at a glance
- The median household income is $86,784, 16% above the Iowa median of $75,059.
- A typical owner-occupied home is valued at $219,600 (6% above Iowa) and median rent is $921 a month.
- Its largest cities are Waverly (10,494), Denver (2,379) and Sumner (2,106).
Local data for Bremer County, IA
Counts from official public data
Housing and community stats
Bremer County, IA, American Community Survey 2020-2024
Median household income
$86,784
Poverty rate
7.3%
Median home value
$219,600
Prices +1.7% in a year
Median rent
$921/mo
Homeownership
79.7%
Bachelor's or higher
36.2%
Median age
39.0
Average commute
20.1 min
Largest reported origins and ancestries: German Americans (11,792), Irish Americans (3,281), Norwegian Americans (1,271).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.1%
Aug 2026, -0.1 pts in a year
Average annual pay
$53,979
9,525 jobs, 2025
Income per person
$62,726
BEA, 2024
Federal spending
$184M
FY 2026, $7,362 per person
PPP loans
$85.69M
1,894 loans, 9,404 jobs reported
Campaign donations
$212K
Itemized, 2026 cycle
How people get to work
Bremer County, IA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone75.0%
- Carpooled7.1%
- Public transit0.0%
- Walked5.9%
- Bicycle0.2%
- Taxi, ride-hailing, motorcycle or other0.4%
- Worked from home11.3%
Average one-way commute: 20.1 minutes for people who do not work from home.
Environment and hazard risk
Bremer County, IA, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
502
Most often thunderstorm wind
Flood insurance policies
107
1.1% of homes, county
July high / Jan low
83° / 7°F
38.6 inches of rain a year
Hazards, floods and storm historyCheck a flood zone6 historic places
Health statistics
Share of adults in Bremer County, IA, CDC PLACES estimates
Obesity
37.6%
U.S. 33.3% +4.3 pts
Diabetes
9.9%
U.S. 12.1% -2.2 pts
Smoking
13.2%
U.S. 12.8% about the same
Uninsured (18-64)
5.8%
U.S. 11.1% -5.3 pts
Cities, towns and ZIP codes in Bremer County
Population shown
Frequently asked questions
- What is the largest city in Bremer County, IA?
- Waverly is the largest city or town in Bremer County, with about 10,494 residents.
- How many ZIP codes are in Bremer County?
- Bremer County includes 9 ZIP Code Tabulation Areas, including 50622, 50629, 50631, 50647, 50666.
- What is the population of Bremer County, IA?
- About 25,204 people live in Bremer County, based on American Community Survey 5-year estimates.
- What counties border Bremer County?
- Bremer County borders Black Hawk County, Buchanan County, Fayette County, Floyd County, Butler County, Chickasaw County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023