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Barnum, Iowa
Location of Barnum, Iowa
Location of Barnum, Iowa
Country  United States
State  Iowa
County Webster
Area
 • Total 0.37 sq mi (0.97 km2)
 • Land 0.37 sq mi (0.97 km2)
 • Water 0.00 sq mi (0.00 km2)
Elevation
1,175 ft (358 m)
Population
 (2020)
 • Total 175
 • Density 467.91/sq mi (180.45/km2)
Time zone UTC-6 (Central (CST))
 • Summer (DST) UTC-5 (CDT)
ZIP code
50518
Area code(s) 515
FIPS code 19-04645
GNIS feature ID 0454366

Barnum is a city in Webster County, Iowa, United States, just off U.S. Route 20. The population was 175 at the 2020 census.

Geography

Barnum is at 42°30′24″N 94°21′52″W / 42.506660°N 94.364575°W / 42.506660; -94.364575 (42.506660, -94.364575).

According to the United States Census Bureau, the city has an area of 0.37 square miles (0.96 km2), all of it land.

Demographics

Historical populations
Year Pop. ±%
1900 175 —    
1910 154 −12.0%
1920 137 −11.0%
1930 148 +8.0%
1940 184 +24.3%
1950 193 +4.9%
1960 154 −20.2%
1970 147 −4.5%
1980 198 +34.7%
1990 174 −12.1%
2000 195 +12.1%
2010 191 −2.1%
2020 175 −8.4%
Source: and Iowa Data Center
Source:
U.S. Decennial Census
BarnumIowaPopPlot
The population of Barnum, Iowa from US census data

2010 census

As of the census of 2010, there were 191 people, 73 households, and 53 families living in the city. The population density was 516.2 inhabitants per square mile (199.3/km2). There were 77 housing units at an average density of 208.1 per square mile (80.3/km2). The racial makeup of the city was 98.4% White, 1.0% from other races, and 0.5% from two or more races. Hispanic or Latino of any race were 1.0% of the population.

There were 73 households, of which 41.1% had children under the age of 18 living with them, 54.8% were married couples living together, 9.6% had a female householder with no husband present, 8.2% had a male householder with no wife present, and 27.4% were non-families. 24.7% of all households were made up of individuals, and 10.9% had someone living alone who was 65 years of age or older. The average household size was 2.62 and the average family size was 3.13.

The median age in the city was 36.5 years. 30.4% of residents were under the age of 18; 8.8% were between the ages of 18 and 24; 22.5% were from 25 to 44; 26.2% were from 45 to 64; and 12% were 65 years of age or older. The gender makeup of the city was 55.5% male and 44.5% female.

Education

Barnum lies within the Manson–Northwest Webster Community School District, and houses the district's elementary school.

The district was established on July 1, 1993, with the merger of the Manson and Northwest Webster districts.

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