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Kellogg, Iowa
Location of Kellogg, Iowa
Location of Kellogg, Iowa
Country  United States
State  Iowa
County Jasper
 • Total 0.37 sq mi (0.96 km2)
 • Land 0.37 sq mi (0.96 km2)
 • Water 0.00 sq mi (0.00 km2)
896 ft (273 m)
 • Total 606
 • Density 1,633.42/sq mi (630.96/km2)
Time zone UTC-6 (Central (CST))
 • Summer (DST) UTC-5 (CDT)
ZIP code
Area code(s) 641
FIPS code 19-40440
GNIS feature ID 0458031

Kellogg is a city in Jasper County, Iowa, United States. The population was 606 at the time of the 2020 census. It was originally named Manning's Station, then carried the names Jasper City, Kimball, and then finally Kellogg, named for the pioneer settler Judge Abel Avery Kellogg.


Kellogg was laid out in 1865 in anticipation of the Mississippi and Missouri Railroad being built through that territory. The railroad reached the town in 1866 and it was designated a station on the line. The terminus of the railroad remained in Kellogg for some time, fueling the early growth of the town.

Today, one of Kellogg's most notable features is the five-building Kellogg Museum complex. Its main building is the former Simpson Hotel, constructed in 1909. The museum complex also boasts an original one-room schoolhouse and a country church.


Kellogg is located at 41°43′00″N 92°54′27″W / 41.71667°N 92.90750°W / 41.71667; -92.90750 (41.716641, -92.907563).

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

Highway 224 forms Kellogg's eastern boundary. The North Skunk River runs southeasterly along the town's southern edge.

ZIP codes

All addresses within Kellogg fall under the 50135 ZIP code. Most individuals receive mail at a post office box rather than at their residence.

Streets and addresses

Kellogg's streets are labeled only by name, for example, "Adair St." House numbers originate at the southeast corner of the town and increase as one moves west or north. Kellogg's business district, including the Kellogg Museum complex, is located on High St.

Post office in Kellogg


Historical populations
Year Pop. ±%
1880 772 —    
1890 700 −9.3%
1900 653 −6.7%
1910 610 −6.6%
1920 603 −1.1%
1930 580 −3.8%
1940 648 +11.7%
1950 670 +3.4%
1960 623 −7.0%
1970 607 −2.6%
1980 654 +7.7%
1990 626 −4.3%
2000 606 −3.2%
2010 599 −1.2%
2020 606 +1.2%
Source: and Iowa Data Center
U.S. Decennial Census

2010 census

As of the census of 2010, there were 599 people, 261 households, and 160 families living in the city. The population density was 1,618.9 inhabitants per square mile (625.1/km2). There were 299 housing units at an average density of 808.1 per square mile (312.0/km2). The racial makeup of the city was 98.2% White, 0.2% African American, 0.2% Native American, 0.5% Asian, 0.8% from other races, and 0.2% from two or more races. Hispanic or Latino of any race were 2.2% of the population.

There were 261 households, of which 26.4% had children under the age of 18 living with them, 51.3% were married couples living together, 8.4% had a female householder with no husband present, 1.5% had a male householder with no wife present, and 38.7% were non-families. 32.2% of all households were made up of individuals, and 10.3% had someone living alone who was 65 years of age or older. The average household size was 2.30 and the average family size was 2.91.

The median age in the city was 40.6 years. 20.9% of residents were under the age of 18; 7.7% were between the ages of 18 and 24; 26.8% were from 25 to 44; 31.7% were from 45 to 64; and 12.7% were 65 years of age or older. The gender makeup of the city was 50.4% male and 49.6% female.

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