| County: | Monroe County |
| State: | Iowa |
| Ex Image: | Monroe County, Iowa Courthouse.jpg |
| Ex Image Size: | 240px |
| Founded Year: | 1843 |
| Seat Wl: | Albia |
| Largest City Wl: | Albia |
| Area Total Sq Mi: | 434 |
| Area Land Sq Mi: | 434 |
| Area Water Sq Mi: | 0.6 |
| Area Percentage: | 0.1 |
| Population As Of: | 2020 |
| Population Total: | 7577 |
| Population Density Sq Mi: | auto |
| Time Zone: | Central |
| Web: | https://monroecounty.iowa.gov/ |
| District: | 2nd |
Monroe County is a county located in the south central part of the U.S. state of Iowa. In the early 20th century, it was a center of bituminous coal mining and in 1910 had a population of more than 25,000. As mining declined, people moved elsewhere for work. In the 2020 census, the population was 7,577.[1] The county seat is Albia.[2] The county, originally called Kishkekosh County after a famous chief of the Meskwaki,[3] was renamed for James Monroe, fifth President of the United States.[4]
According to the U.S. Census Bureau, the county has a total area of, of which is land and (0.1%) is water.[5]
The 2020 census recorded a population of 7,577 in the county, with a population density of . 96.86% of the population reported being of one race. 93.81% were non-Hispanic White, 0.25% were Black, 1.54% were Hispanic, 0.17% were Native American, 0.21% were Asian, 0.03% were Native Hawaiian or Pacific Islander and 3.99% were some other race or more than one race. There were 3,636 housing units, of which 3,116 were occupied.[1]
The 2010 census recorded a population of 7,970 in the county, with a population density of . There were 3,884 housing units, of which 3,213 were occupied.[6]
As of the census[7] of 2000, there were 8,016 people, 3,228 households, and 2,211 families in the county. The population density was 18/mi2. There were 3,588 housing units at an average density of 8/mi2. The racial makeup of the county was 98.40% White, 0.20% Black or African American, 0.36% Native American, 0.40% Asian, 0.12% from other races, and 0.51% from two or more races. 0.50% of the population were Hispanic or Latino of any race.
Of the 3,228 households, 30.50% had children under the age of 18 living with them, 56.20% were married couples living together, 8.60% had a female householder with no husband present, and 31.50% were non-families. 28.00% of households were one person, and 15.30% were one person aged 65 or older. The average household size was 2.43 and the average family size was 2.97.
In the county, the population was spread out, with 25.30% under the age of 18, 7.20% from 18 to 24, 25.00% from 25 to 44, 23.00% from 45 to 64, and 19.50% 65 or older. The median age was 40 years. For every 100 females there were 94.90 males. For every 100 females age 18 and over, there were 92.60 males.
The median household income was $34,877 and the median family income was $41,611. Males had a median income of $31,667 versus $21,401 for females. The per capita income for the county was $17,155. About 5.60% of families and 9.00% of the population were below the poverty line, including 12.20% of those under age 18 and 5.90% of those age 65 or over.
The population ranking of the following table is based on the 2020 census of Monroe County.[1]
† county seat
| Rank | City/Town/etc. | Municipal type | Population (2020 Census) | |
|---|---|---|---|---|
| 1 | † Albia | City | 3,721 | |
| 2 | Eddyville (mostly in Mahaska and Wapello Counties) | City | 970 | |
| 3 | Moravia (mostly in Appanoose County) | City | 637 | |
| 4 | Lovilia | City | 472 | |
| 5 | Melrose | City | 110 |