Editing Bremer County, Iowa (section)

==Demographics==
{{US Census population
|1860= 4915
|1870= 12528
|1880= 14081
|1890= 14630
|1900= 16305
|1910= 15843
|1920= 16728
|1930= 17046
|1940= 17932
|1950= 18884
|1960= 21108
|1970= 22737
|1980= 24820
|1990= 22813
|2000= 23325
|2010= 24276
|2020= 24988
|estyear=2023
|estimate=25307
|estref=<ref name="USCensusEst2023">{{cite web|url=https://www.census.gov/programs-surveys/popest/data/tables.html|title=Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2023|publisher=United States Census Bureau|access-date=April 2, 2024}}</ref>
|align-fn=center
|footnote=U.S. Decennial Census<ref>{{cite web|url=https://www.census.gov/programs-surveys/decennial-census.html|title=U.S. Decennial Census|publisher=United States Census Bureau|access-date=July 13, 2014}}</ref><br />1790-1960<ref>{{cite web|url=http://mapserver.lib.virginia.edu|title=Historical Census Browser|publisher=University of Virginia Library|access-date=July 13, 2014}}</ref> 1900-1990<ref>{{cite web|url=https://www.census.gov/population/cencounts/ia190090.txt|title=Population of Counties by Decennial Census: 1900 to 1990|publisher=United States Census Bureau|access-date=July 13, 2014}}</ref><br />1990-2000<ref>{{cite web|url=https://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf |archive-url=https://web.archive.org/web/20100327165705/http://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf |archive-date=March 27, 2010 |url-status=live|title=Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000|publisher=United States Census Bureau|access-date=July 13, 2014}}</ref> 2010-2018
}}
[[File:BremerCountyIowaPop2020.png|thumb|right|Population of Bremer County from US census data]]

===2020 census===
The 2020 census recorded a population of 24,988 in the county, with a population density of {{Pop density|24988|440.156140|sqmi|km2}}. 97.01% of the population reported being of one race. 92.39% were non-Hispanic White, 0.96% were Black, 2.04% were Hispanic, 0.18% were Native American, 0.78% were Asian, 0.01% were Native Hawaiian or Pacific Islander and 3.63% were some other race or more than one race. There were 10,484 housing units of which 9,646 were occupied.<ref name=cen2020/>

The population ranking of the following table is based on the [[2020 United States census|2020 census]] of Bremer County.<ref name=cen2020/>
'''†''' ''county seat''

{| class="wikitable sortable"
|-
!Rank
!City/Town/etc.
!Municipal type
!Population (2020 Census)

|- style="background-color:#FFFACD;"
| 1
|'''†''' '''[[Waverly, Iowa|Waverly]]''' 
| City
| 10,394
|- style="background-color:#FFFACD;"
| 2
|'''[[Sumner, Iowa|Sumner]]''' (''partially in [[Fayette County, Iowa|Fayette County]]'')
| City
| 2,030
|- style="background-color:#FFFACD;"
| 3
|'''[[Denver, Iowa|Denver]]''' 
| City
| 1,919
|- style="background-color:#FFFACD;"
| 4
|'''[[Tripoli, Iowa|Tripoli]]''' 
| City
| 1,191
|- style="background-color:#FFFACD;"
| 5
|'''[[Janesville, Iowa|Janesville]]''' (''partially in [[Black Hawk County, Iowa|Black Hawk County]]'')
| City
| 1,034
|- style="background-color:#FFFACD;"
| 6
|'''[[Readlyn, Iowa|Readlyn]]''' 
| City
| 845
|- style="background-color:#FFFACD;"
| 7
|'''[[Plainfield, Iowa|Plainfield]]''' 
| City
| 393
|- style="background-color:#FFFACD;"
| 8
|'''[[Frederika, Iowa|Frederika]]''' 
| City
| 204
|}

[[File:BremerCountyIA2022PopPyr.png|thumb|left|2022 US Census [[population pyramid]] for Bremer County from [[American Community Survey|ACS]] 5-year estimates]]
===2010 census===
The 2010 census recorded a population of 24,276 in the county, with a population density of {{Pop density|24276|438|sqmi|km2}}. There were 9,915 housing units, of which 9,385 were occupied.<ref name="USCB">{{cite web|url=http://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=DEC_10_PL_GCTPL2.ST05&prodType=table|archive-url=https://web.archive.org/web/20150929225050/http://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=DEC_10_PL_GCTPL2.ST05&prodType=table|url-status=dead|archive-date=September 29, 2015|title=Population and Housing Occupancy Status: 2010 - State &ndash; County  |publisher=[[United States Census Bureau]] American FactFinder|access-date=March 8, 2011}}</ref>

===2000 census===
As of the [[census]]<ref name="GR2">{{cite web |url=https://www.census.gov |publisher=[[United States Census Bureau]] |access-date=January 31, 2008 |title=U.S. Census website }}</ref> of 2000, there were 23,325 people, 8,860 households, and 6,326 families residing in the county. The population density was {{convert|53|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 9,337 housing units at an average density of {{convert|21|/mi2|/km2}}. The racial makeup of the county was 98.22% [[Race (United States Census)|White]], 0.48% [[Race (United States Census)|Black]] or [[Race (United States Census)|African American]], 0.06% [[Race (United States Census)|Native American]], 0.52% [[Race (United States Census)|Asian]], 0.02% [[Race (United States Census)|Pacific Islander]], 0.10% from [[Race (United States Census)|other races]], and 0.60% from two or more races. 0.56% of the population were [[Race (United States Census)|Hispanic]] or [[Race (United States Census)|Latino]] of any race.

There were 8,860 households, out of which 32.00% had children under the age of 18 living with them, 62.50% were [[Marriage|married couples]] living together, 6.20% had a female householder with no husband present, and 28.60% were non-families. 24.70% of all households were made up of individuals, and 12.70% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 2.95.

In the county, the population was spread out, with 24.10% under the age of 18, 12.00% from 18 to 24, 23.90% from 25 to 44, 23.90% from 45 to 64, and 16.00% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 93.60 males. For every 100 females age 18 and over, there were 89.30 males.

The median income for a household in the county was $40,826, and the median income for a family was $50,299. Males had a median income of $34,212 versus $22,250 for females. The [[per capita income]] for the county was $19,199. About 2.90% of families and 5.10% of the population were below the [[poverty line]], including 4.20% of those under age 18 and 5.80% of those age 65 or over.