Monona County, Iowa | |
|---|---|
 TheMonona County Courthouse in Onawa | |
 Location within the U.S. state ofIowa | |
| Coordinates:42°02′50″N95°58′07″W / 42.047222222222°N 95.968611111111°W /42.047222222222; -95.968611111111 | |
| Country |  United States |
| State |  Iowa |
| Founded | 1851 |
| Seat | Onawa |
| Largest city | Onawa |
| Area | |
• Total | 699 sq mi (1,810 km2) |
| • Land | 694 sq mi (1,800 km2) |
| • Water | 4.9 sq mi (13 km2) 0.7% |
| Population (2020) | |
• Total | 8,751 |
• Estimate (2024) | 8,429 |
| • Density | 12.6/sq mi (4.87/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 4th |
| Website | www |
| |
Monona County is acounty located in theU.S. state ofIowa. As of the2020 census, the population was 8,751.[2] Thecounty seat isOnawa.[3][4]
The area around present-day Onawa was a stopping point in 1804 for Meriwether Lewis and William Clark during theirexploration of the newly obtainedLouisiana Purchase. Many years later, that site was memorialized as theLewis and Clark State Park.[5]
Monona County was formed in 1851. It was perhaps named for an Indian word meaning "beautiful valley."[6]
Monona County was organized officially in the spring of 1854 having been a part ofBenton County (every county west of Benton in a line) in 1851 and afterwardsHarrison County between 1852 and 1854.[7]
WhenAshton (originally called Bloomfield) was named thecounty seat in the fall of 1854, a log house served as the first courthouse.[8] Ashton remained the county seat for only four years. That designation was moved to Onawa on April 5, 1858, and the firstMonona County Courthouse was completed that same year.[9]
According to theUnited States Census Bureau, the county has a total area of 699 square miles (1,810 km2), of which 694 square miles (1,800 km2) is land and 4.9 square miles (13 km2) (0.7%) is water.[10]
| Census | Pop. | Note | %± |
|---|---|---|---|
| 1860 | 832 | — | |
| 1870 | 3,654 | 339.2% | |
| 1880 | 9,055 | 147.8% | |
| 1890 | 14,515 | 60.3% | |
| 1900 | 17,980 | 23.9% | |
| 1910 | 16,633 | −7.5% | |
| 1920 | 17,125 | 3.0% | |
| 1930 | 18,213 | 6.4% | |
| 1940 | 18,238 | 0.1% | |
| 1950 | 16,303 | −10.6% | |
| 1960 | 13,916 | −14.6% | |
| 1970 | 12,069 | −13.3% | |
| 1980 | 11,692 | −3.1% | |
| 1990 | 10,034 | −14.2% | |
| 2000 | 10,020 | −0.1% | |
| 2010 | 9,243 | −7.8% | |
| 2020 | 8,751 | −5.3% | |
| 2024 (est.) | 8,429 | [11] | −3.7% |
| U.S. Decennial Census[12] 1790–1960[13] 1900–1990[14] 1990–2000[15] 2010–2020[16] | |||
As of the2020 census, the county had a population of 8,751 and a population density of12.5/sq mi (4.8/km2). The median age was 45.9 years, 22.0% of residents were under the age of 18, and 25.1% of residents were 65 years of age or older. For every 100 females there were 93.4 males, and for every 100 females age 18 and over there were 93.1 males age 18 and over.[17]
96.03% of residents reported being of one race. The racial makeup of the county was 93.0%White, 0.3%Black or African American, 1.7%American Indian and Alaska Native, 0.3%Asian, <0.1%Native Hawaiian andPacific Islander, 0.7% from some other race, and 4.0% fromtwo or more races; non-Hispanic White alone comprised 90.33% of the population, andHispanic or Latino residents of any race comprised 2.7% of the population.[18]
There were 3,839 households in the county, of which 25.2% had children under the age of 18 living in them. Of all households, 45.9% were married-couple households, 19.8% were households with a male householder and no spouse or partner present, and 26.7% were households with a female householder and no spouse or partner present. About 34.7% of all households were made up of individuals and 20.4% had someone living alone who was 65 years of age or older.[17]
There were 4,373 housing units, of which 3,839 were occupied and 12.2% were vacant. Among occupied housing units, 74.1% were owner-occupied and 25.9% were renter-occupied. The homeowner vacancy rate was 1.3% and the rental vacancy rate was 11.6%.[17]
<0.1% of residents lived in urban areas, while 100.0% lived in rural areas.[19]
As of the2010 census recorded a population of 9,243 in the county, with a population density of13.3/sq mi (5.1/km2). There were 4,697 housing units, of which 4,050 were occupied.[20]
As of the2000 census, there were 10,020 people, 4,211 households, and 2,737 families residing in the county. Thepopulation density was 14 people per square mile (5.4 people/km2). There were 4,660 housing units at an average density of 7 units per square mile (2.7 units/km2). Theracial makeup of the county was 98.34% White, 0.08% Black or African American, 0.76% Native American, 0.12% Asian, 0.04% Pacific Islander, 0.08% from other races, and 0.58% from two or more races. 0.70% of the population were Hispanic or Latino of any race.
There were 4,211 households, out of which 26.70% had children under the age of 18 living with them, 54.50% weremarried couples living together, 7.10% had a female householder with no husband present, and 35.00% were non-families. 31.00% of all households were made up of individuals, and 17.50% had someone living alone who was 65 years of age or older. The average household size was 2.31 and the average family size was 2.88.
In the county, the population was spread out, with 23.20% under the age of 18, 6.20% from 18 to 24, 23.30% from 25 to 44, 23.30% from 45 to 64, and 23.90% who were 65 years of age or older. The median age was 43 years. For every 100 females, there were 94.20 males. For every 100 females age 18 and over, there were 90.50 males.
The median income for a household in the county was $33,235, and the median income for a family was $41,172. Males had a median income of $27,349 versus $19,607 for females. Theper capita income for the county was $17,477. About 6.60% of families and 9.40% of the population were below thepoverty line, including 8.90% of those under age 18 and 9.50% of those age 65 or over.
The population ranking of the following table is based on the2020 census of Monona County.[2]
†county seat
| Rank | City/Town/etc. | Population (2020 Census) |
|---|---|---|
| 1 | †Onawa | 2,906 |
| 2 | Mapleton | 1,165 |
| 3 | Whiting | 745 |
| 4 | Ute | 338 |
| 5 | Blencoe | 233 |
| 6 | Moorhead | 199 |
| 7 | Soldier | 184 |
| 8 | Castana | 107 |
| 9 | Turin | 72 |
| 10 | Rodney | 45 |
For over a century, Monona County was close to a national bellwether. Between 1900 & 2004, it only failed to back the national winner in 1960 & 1988. However, this bellwether status no longer applies.Barack Obama failed to carry the county in both of his electoral victories statewide & nationally, whileDonald Trump in 2020 earned the highest percentage of any candidate sinceFranklin D. Roosevelt in 1932, in spite of his unsuccessful reelection bid.
| Year | Republican | Democratic | Third party(ies) | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 1896 | 1,526 | 36.86% | 2,558 | 61.79% | 56 | 1.35% |
| 1900 | 2,161 | 51.53% | 1,934 | 46.11% | 99 | 2.36% |
| 1904 | 2,274 | 64.80% | 1,016 | 28.95% | 219 | 6.24% |
| 1908 | 1,977 | 52.58% | 1,732 | 46.06% | 51 | 1.36% |
| 1912 | 1,109 | 29.00% | 1,358 | 35.51% | 1,357 | 35.49% |
| 1916 | 1,777 | 47.87% | 1,910 | 51.45% | 25 | 0.67% |
| 1920 | 4,569 | 69.49% | 1,960 | 29.81% | 46 | 0.70% |
| 1924 | 3,195 | 50.94% | 1,271 | 20.26% | 1,806 | 28.79% |
| 1928 | 3,745 | 56.55% | 2,836 | 42.82% | 42 | 0.63% |
| 1932 | 2,181 | 27.92% | 5,537 | 70.88% | 94 | 1.20% |
| 1936 | 3,008 | 35.39% | 5,346 | 62.89% | 146 | 1.72% |
| 1940 | 4,192 | 46.63% | 4,783 | 53.20% | 15 | 0.17% |
| 1944 | 3,583 | 48.64% | 3,761 | 51.06% | 22 | 0.30% |
| 1948 | 3,179 | 43.28% | 4,098 | 55.79% | 69 | 0.94% |
| 1952 | 4,849 | 62.29% | 2,918 | 37.49% | 17 | 0.22% |
| 1956 | 3,854 | 52.47% | 3,477 | 47.34% | 14 | 0.19% |
| 1960 | 3,863 | 54.64% | 3,207 | 45.36% | 0 | 0.00% |
| 1964 | 2,208 | 35.69% | 3,971 | 64.18% | 8 | 0.13% |
| 1968 | 2,980 | 53.12% | 2,184 | 38.93% | 446 | 7.95% |
| 1972 | 3,237 | 58.91% | 2,189 | 39.84% | 69 | 1.26% |
| 1976 | 2,636 | 49.09% | 2,661 | 49.55% | 73 | 1.36% |
| 1980 | 3,268 | 61.85% | 1,660 | 31.42% | 356 | 6.74% |
| 1984 | 2,746 | 55.37% | 2,159 | 43.54% | 54 | 1.09% |
| 1988 | 2,068 | 46.05% | 2,408 | 53.62% | 15 | 0.33% |
| 1992 | 1,660 | 34.23% | 1,939 | 39.99% | 1,250 | 25.78% |
| 1996 | 1,674 | 39.50% | 1,952 | 46.06% | 612 | 14.44% |
| 2000 | 2,304 | 50.53% | 2,086 | 45.75% | 170 | 3.73% |
| 2004 | 2,575 | 51.32% | 2,397 | 47.77% | 46 | 0.92% |
| 2008 | 2,411 | 50.26% | 2,295 | 47.84% | 91 | 1.90% |
| 2012 | 2,557 | 53.92% | 2,101 | 44.31% | 84 | 1.77% |
| 2016 | 3,120 | 68.24% | 1,247 | 27.27% | 205 | 4.48% |
| 2020 | 3,248 | 68.70% | 1,407 | 29.76% | 73 | 1.54% |
| 2024 | 3,331 | 71.84% | 1,236 | 26.66% | 70 | 1.51% |
Places adjacent to Monona County, Iowa | |
|---|---|
Municipalities and communities ofMonona County, Iowa,United States | ||
|---|---|---|
| Cities |  | |
| Townships | ||
| Unincorporated communities | ||
| Ghost town | ||
| Indian reservations | ||
| Footnotes | ‡This populated place also has portions in an adjacent county or counties | |
| International | |
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| National | |
| Other | |
42°02′50″N95°58′07″W / 42.04722°N 95.96861°W /42.04722; -95.96861
