Census tract · Bremer County
Census Tract 45, Bremer County, Iowa
Census Tract 45, GEOID 19017004500, in Bremer County, Iowa, partly within Plainfield, Frederika and Sumner. 2,525 residents in the ACS 2020-2024 5-year estimates (±211); the 2020 Census counted 2,362.
Residents, 2020-2024
2,525
±211 (90% margin)
2020 Census count: 2,362
Median household income
$87,143
±$8,443 (90% margin)
Bremer County: $86,784
Median home value
$190,100
±$16,686 (90% margin)
Bremer County: $219,600
Median gross rent
$676
±$464 (90% margin)
Bremer County: $921
Where is Census Tract 45?
Census Tract 45 is one of 8 census tracts in Bremer County, Iowa. It covers 175.10 square miles of land, 13 residents per square mile in 2020. Its GEOID, 19017004500, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Plainfield | 6% |
| Frederika | 5% |
| Sumner | 0% |
8 census tracts border Census Tract 45: Tract 43 ($86,691), Tract 44 ($91,555), Tract 47 ($57,386), Tract 701 in Butler County ($83,804), Tract 702 in Chickasaw County ($77,109), Tract 703 in Chickasaw County ($78,508), Tract 803 in Fayette County ($86,333) and Tract 807 in Fayette County ($81,167). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 45?
The 2020-2024 American Community Survey puts Census Tract 45's population at 2,525 (±211) in 1,074 households; the 2020 Census counted 2,362 residents and 1,108 housing units.
| Measure | Tract 45 | Bremer County |
|---|---|---|
| Total population | 2,525 ±211 | 25,204 |
| Households | 1,074 ±99 | 9,716 |
| Average household size | 2.35 ±0.16 | 2.44 |
| Housing units | 1,218 ±112 | 10,585 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 45?
The median resident of Census Tract 45 is 48.0 years old; 18.6% are under 18 and 22.5% are 65 or older. The largest group is non-Hispanic white residents at 97.1%, then non-Hispanic residents of two or more races at 1.5%.
| Measure | Tract 45 | Bremer County |
|---|---|---|
| Median age | 48.0 ±4.4 | 39.0 |
| Under 18 years | 18.6% ±3.2 pts | 22.4% |
| 65 years and over | 22.5% ±5.0 pts | 19.8% |
| Hispanic or Latino (any race) | 0.5% ±0.6 pts | 2.1% |
| White alone, not Hispanic | 97.1% ±1.5 pts | 92.3% |
| Black or African American alone, not Hispanic | 0.1% ±0.3 pts | 1.1% |
| Asian alone, not Hispanic | 0.2% ±0.2 pts | 0.9% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.1 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.1% ±0.2 pts | 0.0% |
| Two or more races, not Hispanic | 1.5% ±1.0 pts | 2.6% |
| Some other race alone, not Hispanic | 0.5% ±0.7 pts | 1.0% |
| Born outside the United States | 0.1% ±0.1 pts | 1.6% |
| Speak a language other than English at home (age 5+) | 1.5% ±1.0 pts | 2.3% |
| Civilian veterans (age 18+) | 4.2% ±1.7 pts | 6.3% |
| With a disability | 9.0% ±3.6 pts | 11.5% |
| No health insurance coverage | 1.5% ±1.1 pts | 2.2% |
| High school graduate or higher (age 25+) | 94.5% ±3.3 pts | 96.2% |
| Bachelor's degree or higher (age 25+) | 17.7% ±5.7 pts | 36.2% |
| Graduate or professional degree (age 25+) | 2.6% ±1.5 pts | 12.1% |
| Lived in the same house a year earlier | 97.8% ±1.5 pts | 88.1% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Census Tract 45 earn?
Half of the 1,074 households in Census Tract 45 earn less than $87,143 a year (±$8,443), against $86,784 across Bremer County: 4th highest of the county's 8 tracts with a reliable estimate.
| Measure | Tract 45 | Bremer County |
|---|---|---|
| Median household income | $87,143 ±$8,443 | $86,784 |
| Mean household income | $101,304 ±$9,628 | $108,261 |
| Per capita income | $43,506 ±$3,891 | $43,033 |
| People below the poverty line | 2.8% ±1.9 pts | 7.3% |
| Children under 18 below the poverty line | 6.8% ±7.2 pts | 8.1% |
| Households receiving SNAP | 6.8% ±4.2 pts | 5.3% |
| Households with a computer | 94.0% ±3.0 pts | 95.2% |
| Households with a broadband subscription | 89.9% ±3.9 pts | 92.6% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Census Tract 45?
Owners occupy 88.7% of Census Tract 45's occupied homes and renters 11.3%. The median owner-occupied home is valued at $190,100 by its owner (±$16,686).
| Measure | Tract 45 | Bremer County |
|---|---|---|
| Median home value (owner-occupied) | $190,100 ±$16,686 | $219,600 |
| Median gross rent | $676 ±$464 | $921 |
| Renters paying 35% or more of income on rent | 10.2% ±12.8 pts | 25.1% |
| Median monthly owner costs, with a mortgage | $1,197 ±$101 | $1,586 |
| Owner-occupied homes | 88.7% ±5.7 pts | 79.7% |
| Renter-occupied homes | 11.3% ±5.7 pts | 20.3% |
| Housing units | 1,218 ±112 | 10,585 |
| Single-family detached homes | 96.7% ±3.0 pts | 80.9% |
| Mobile homes | 0.0% ±2.0 pts | 1.6% |
| Built 2020 or later | 0.0% ±2.0 pts | 0.9% |
| Built 2010 to 2019 | 0.1% ±0.2 pts | 10.4% |
| Built 1939 or earlier | 54.3% ±6.7 pts | 28.2% |
| Households with no vehicle | 0.2% ±0.3 pts | 2.6% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Census Tract 45 get to work?
81.0% of Census Tract 45's workers drive alone and 10.4% work from home. The average trip to work takes 23.5 minutes.
| Measure | Tract 45 | Bremer County |
|---|---|---|
| In the labor force (age 16+) | 64.1% ±6.0 pts | 66.1% |
| Unemployment rate | 3.3% ±3.5 pts | 3.3% |
| Drove alone to work | 81.0% ±5.2 pts | 75.0% |
| Carpooled | 5.3% ±3.3 pts | 7.1% |
| Public transportation | 0.2% ±0.3 pts | 0.0% |
| Walked | 1.8% ±2.0 pts | 5.9% |
| Worked from home | 10.4% ±3.6 pts | 11.3% |
| Mean travel time to work | 23.5 min ±2.6 | 20.1 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
How does Census Tract 45 compare with the other tracts in Bremer County?
Among Bremer County's tracts with a reliable estimate, Census Tract 45 ranks as shown below (1 = highest).
| Measure | In Bremer County |
|---|---|
| Population | 5th of 8 |
| Residents per square mile | 8th of 8 |
| Median household income | 4th of 8 |
| Per capita income | 3rd of 8 |
| Median home value | 6th of 8 |
| Bachelor's degree or higher | 8th of 8 |
| Median age | 2nd of 8 |
| Owner-occupied share | 1st of 8 |
The tracts next to it on Bremer County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 46 | 1st | $99,554±$7,730 |
| Tract 44 | 2nd | $91,555±$4,704 · within the margin of this tract |
| Tract 42 | 3rd | $87,702±$9,327 · within the margin of this tract |
| Tract 45 | 4th | $87,143±$8,443 |
| Tract 43 | 5th | $86,691±$16,964 · within the margin of this tract |
| Tract 41 | 6th | $85,000±$8,676 · within the margin of this tract |
| Tract 47 | 7th | $57,386±$9,249 |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 45?
5 of the 18 figures for Census Tract 45 on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections