| Official Name: | Osseo, Wisconsin |
| Settlement Type: | City |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Trempealeau |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 2.07 |
| Area Land Sq Mi: | 2.05 |
| Area Water Sq Mi: | 0.03 |
| Population As Of: | 2010 |
| Population Est: | 1676 |
| Pop Est As Of: | 2019 |
| Population Total: | 1701 |
| Population Density Sq Mi: | 819.16 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Footnotes: | [2] |
| Elevation Ft: | 958 |
| Coordinates: | 44.5783°N -91.2183°W |
| Blank Name: | FIPS code |
| Blank Info: | 55-60575[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1570879 |
| Area Total Km2: | 5.36 |
| Area Land Km2: | 5.30 |
| Area Water Km2: | 0.06 |
| Population Density Km2: | 316.35 |
Osseo [4] is a city located in Trempealeau County, Wisconsin, at the confluence of the North and South Forks of the Buffalo River. The population was 1,701 at the 2010 census.
Osseo is located at 44°34'42" North, 91°13'6" West (44.578306, -91.218273).[5]
According to the United States Census Bureau, the city has a total area of 2.09sqmi, of which, 2.06sqmi is land and 0.03sqmi is water.[6]
The city lies on US Highway 10 (which serves as the main east–west thoroughfare through town), US Highway 53, and Interstate 94.
As of the census[7] of 2010, there were 1,701 people, 737 households, and 444 families living in the city. The population density was 825.7PD/sqmi. There were 786 housing units at an average density of 381.6/sqmi. The racial makeup of the city was 97.6% White, 0.1% African American, 0.9% Native American, 0.1% Asian, 0.6% from other races, and 0.6% from two or more races. Hispanic or Latino of any race were 1.6% of the population.
There were 737 households, of which 32.4% had children under the age of 18 living with them, 44.6% were married couples living together, 11.3% had a female householder with no husband present, 4.3% had a male householder with no wife present, and 39.8% were non-families. 33.6% of all households were made up of individuals, and 17.3% 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 2.96.
The median age in the city was 38.5 years. 26% of residents were under the age of 18; 7.4% were between the ages of 18 and 24; 25.6% were from 25 to 44; 23.5% were from 45 to 64; and 17.5% were 65 years of age or older. The gender makeup of the city was 47.5% male and 52.5% female.
As of the census of 2000, there were 1,669 people, 721 households, and 451 families living in the city. The population density was 809.5 people per square mile (312.8/km2). There were 761 housing units at an average density of 369.1 per square mile (142.6/km2). The racial makeup of the city was 99.28% White, 0.06% African American, 0.36% Native American, 0.06% Asian, 0.00% Pacific Islander, 0.00% from other races, and 0.24% from two or more races. 0.36% of the population were Hispanic or Latino of any race.
There were 721 households, out of which 28.7% had children under the age of 18 living with them, 49.7% were married couples living together, 9.4% had a female householder with no husband present, and 37.4% were non-families. 32.6% of all households were made up of individuals, and 19.0% had someone living alone who was 65 years of age or older. The average household size was 2.25 and the average family size was 2.84.
In the city, the population was spread out, with 23.9% under the age of 18, 7.8% from 18 to 24, 26.5% from 25 to 44, 18.7% from 45 to 64, and 23.1% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 87.3 males. For every 100 females age 18 and over, there were 82.2 males.
The median income for a household in the city was $34,493, and the median income for a family was $40,819. Males had a median income of $28,934 versus $21,838 for females. The per capita income for the city was $18,512. 5.7% of the population and 2.9% of families were below the poverty line. 6.3% of those under the age of 18 and 7.7% of those 65 and older were living below the poverty line.