Byron Center is an unincorporated community in Kent County in the U.S. state of Michigan It is a census-designated place (CDP) used for statistical purposes. The population was 3,777 at the 2000 census.
The community is at the center of Byron Township, about 14 miles south-southwest of Grand Rapids. The Byron Center ZIP code is 49315, although the area served by the ZIP code also includes most of Byron Township as well as portions of Gaines Township to the east in Kent County, and Jamestown Township to the west in Ottawa County and portions of Salem Township to the southwest and Dorr Township to the south in Allegan County.
There were 1,322 households out of which 43.6% had children under the age of 18 living with them, 69.5% were married couples living together, 7.3% had a female householder with no husband present, and 21.3% were non-families. 19.4% of all households were made up of individuals and 9.6% had someone living alone who was 65 years of age or older. The average household size was 2.82 and the average family size was 3.26.
In the community the population was spread out with 32.5% under the age of 18, 6.5% from 18 to 24, 30.6% from 25 to 44, 18.9% from 45 to 64, and 11.5% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 90.6 males. For every 100 females age 18 and over, there were 89.0 males.
The median income for a household in the community was $58,508, and the median income for a family was $65,882. Males had a median income of $50,517 versus $28,043 for females. The per capita income for the community was $29,028. About 1.9% of families and 3.2% of the population were below the poverty line, including none of those under age 18 and 6.7% of those age 65 or over.