| Official Name: | Jansen, Nebraska |
| Settlement Type: | Village |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Nebraska |
| Subdivision Type2: | County |
| Subdivision Name2: | Jefferson |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.81 |
| Area Land Km2: | 0.81 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.31 |
| Area Land Sq Mi: | 0.31 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Est: | 99 |
| Pop Est As Of: | 2021 |
| Population Footnotes: | [2] |
| Population Total: | 100 |
| Population Density Km2: | auto |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1460 |
| Coordinates: | 40.1839°N -97.0847°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 68377 |
| Area Code: | 402 |
| Blank Name: | FIPS code |
| Blank Info: | 31-24530[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2398291 |
Jansen is a village in Jefferson County, Nebraska, United States. The population was 100 at the 2020 census.[2]
Jansen was platted in 1886 when the Chicago, Rock Island, and Pacific Railroad was extended to that point.[4] The village was named after local rancher and politician Peter Jansen.[5]
According to the United States Census Bureau, the village has a total area of 0.23sqmi, all land.[6]
As of the census[7] of 2010, there were 118 people, 58 households, and 31 families residing in the village. The population density was 513PD/sqmi. There were 67 housing units at an average density of 291.3/sqmi. The racial makeup of the village was 99.2% White and 0.8% from two or more races.
There were 58 households, of which 19.0% had children under the age of 18 living with them, 48.3% were married couples living together, 5.2% had a female householder with no husband present, and 46.6% were non-families. 39.7% of all households were made up of individuals, and 22.4% had someone living alone who was 65 years of age or older. The average household size was 2.03 and the average family size was 2.74.
The median age in the village was 50 years. 17.8% of residents were under the age of 18; 5% were between the ages of 18 and 24; 19.5% were from 25 to 44; 35.6% were from 45 to 64; and 22% were 65 years of age or older. The gender makeup of the village was 50.8% male and 49.2% female.
As of the census of 2000, there were 143 people, 65 households, and 38 families residing in the village. The population density was 642.6sp=usNaNsp=us. There were 72 housing units at an average density of 323.5sp=usNaNsp=us. The racial makeup of the village was 100.00% White. Hispanic or Latino of any race were 0.70% of the population.
There were 65 households, out of which 26.2% had children under the age of 18 living with them, 47.7% were married couples living together, 6.2% had a female householder with no husband present, and 41.5% were non-families. 36.9% of all households were made up of individuals, and 26.2% had someone living alone who was 65 years of age or older. The average household size was 2.20 and the average family size was 2.89.
In the village, the population was spread out, with 25.9% under the age of 18, 6.3% from 18 to 24, 26.6% from 25 to 44, 14.7% from 45 to 64, and 26.6% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 104.3 males. For every 100 females age 18 and over, there were 92.7 males.
As of 2000 the median income for a household in the village was $28,906, and the median income for a family was $28,906. Males had a median income of $23,750 versus $22,500 for females. The per capita income for the village was $12,091. There were 4.9% of families and 7.5% of the population living below the poverty line, including 2.2% of under eighteens and 18.4% of those over 64.