Coffey is a city in Daviess County, Missouri, United States. The population was 166 at the 2010 census.HistoryCoffey was originally called Coffeyburg, and under the latter name was laid out in 1856 by B. H. Coffey, and named for him. A post office called Coffeysburg was established in 1867, and the name was changed to Coffey in 1910.GeographyCoffey is located at .According to the United States Census Bureau, the city has a total area of 0.21sqmi, all of it land.Demographics2010 censusAs of the census of 2010, there were 166 people, 60 households, and 47 families residing in the city. The population density was 790.5PD/sqmi. There were 76 housing units at an average density of 361.9/sqmi. The racial makeup of the city was 100.0% White.There were 60 households of which 40.0% had children under the age of 18 living with them, 63.3% were married couples living together, 6.7% had a female householder with no husband present, 8.3% had a male householder with no wife present, and 21.7% were non-families. 18.3% of all households were made up of individuals and 5% had someone living alone who was 65 years of age or older. The average household size was 2.77 and the average family size was 3.11.The median age in the city was 33.2 years. 28.9% of residents were under the age of 18; 7.1% were between the ages of 18 and 24; 28.2% were from 25 to 44; 21.6% were from 45 to 64; and 13.9% were 65 years of age or older. The gender makeup of the city was 46.4% male and 53.6% female.
