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Bertram, Iowa
Location of Bertram, Iowa
Location of Bertram, Iowa
Country  United States
State  Iowa
County Linn
Area
 • Total 1.68 sq mi (4.35 km2)
 • Land 1.68 sq mi (4.35 km2)
 • Water 0.00 sq mi (0.00 km2)
Elevation
732 ft (223 m)
Population
 (2020)
 • Total 269
 • Density 160.12/sq mi (61.84/km2)
Time zone UTC-6 (Central (CST))
 • Summer (DST) UTC-5 (CDT)
FIPS code 19-06175
GNIS feature ID 0454532

Bertram is a city in Linn County, Iowa, United States. The population was 269 at the 2020 census.

Bertram is part of the Cedar Rapids Metropolitan Statistical Area.

History

Bertram was laid out in 1858 as an outgrowth on the railroad, which was completed to that point in 1859. It was named for Capt. John Bertram, who was instrumental in bringing the railroad there.

Geography

Bertram is located at 41°57′00″N 91°32′04″W / 41.950036°N 91.534363°W / 41.950036; -91.534363 (41.950036, -91.534363).

According to the United States Census Bureau, the city has a total area of 1.68 square miles (4.35 km2), all of it land.

Located on the Union Pacific Railroad main line (former Chicago and North Western Railway), which has a nearby large trestle over Big Creek, the city is primarily a bedroom community of Cedar Rapids. Bertram Bridge, which also spans Big Creek is listed on the National Register of Historic Places.

Demographics

Historical populations
Year Pop. ±%
1920 96 —    
1930 102 +6.2%
1940 90 −11.8%
1950 128 +42.2%
1960 170 +32.8%
1970 177 +4.1%
1980 216 +22.0%
1990 201 −6.9%
2000 263 +30.8%
2010 294 +11.8%
2020 269 −8.5%
Source: and Iowa Data Center
Source:
U.S. Decennial Census
BertramIowaPopPlot
The population of Bertram, Iowa from US census data

2010 census

As of the census of 2010, there were 294 people, 106 households, and 81 families living in the city. The population density was 175.0 inhabitants per square mile (67.6/km2). There were 114 housing units at an average density of 67.9 per square mile (26.2/km2). The racial makeup of the city was 98.0% White, 1.4% African American, and 0.7% from two or more races. Hispanic or Latino of any race were 3.4% of the population.

There were 106 households, of which 24.5% had children under the age of 18 living with them, 68.9% were married couples living together, 2.8% had a female householder with no husband present, 4.7% had a male householder with no wife present, and 23.6% were non-families. 18.9% of all households were made up of individuals, and 12.2% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 2.80.

The median age in the city was 46 years. 28.9% of residents were under the age of 18; 5.5% were between the ages of 18 and 24; 15% were from 25 to 44; 31% were from 45 to 64; and 19.7% were 65 years of age or older. The gender makeup of the city was 57.1% male and 42.9% female.

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