| Official Name: | Oak, Nebraska |
| Settlement Type: | Village |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Nebraska |
| Subdivision Type2: | County |
| Subdivision Name2: | Nuckolls |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.39 |
| Area Land Km2: | 0.39 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.15 |
| Area Land Sq Mi: | 0.15 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 54 |
| Population Density Km2: | 137.36 |
| Population Density Sq Mi: | 355.26 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1585 |
| Coordinates: | 40.2381°N -97.9036°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 68964 |
| Area Code: | 402 |
| Blank Name: | FIPS code |
| Blank Info: | 31-35245 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2399532 |
Oak is a village in Nuckolls County, Nebraska, United States. The population was 66 at the 2010 census.
The first settlement was made in the Oak area in the 1860s. Oak was platted on its current site in 1888 when the Fremont, Elkhorn & Missouri Valley Railroad was extended to that point.[2] It was named from nearby Oak Creek.[3]
According to the United States Census Bureau, the village has a total area of 0.15sqmi, all land.[4]
As of the census[5] of 2010, there were 66 people, 30 households, and 15 families living in the village. The population density was 440PD/sqmi. There were 38 housing units at an average density of 253.3/sqmi. The racial makeup of the village was 98.5% White and 1.5% from two or more races. Hispanic or Latino of any race were 1.5% of the population.
There were 30 households, of which 33.3% had children under the age of 18 living with them, 46.7% were married couples living together, 3.3% had a female householder with no husband present, and 50.0% were non-families. 40.0% of all households were made up of individuals, and 3.3% 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 3.07.
The median age in the village was 33.5 years. 25.8% of residents were under the age of 18; 7.6% were between the ages of 18 and 24; 33.4% were from 25 to 44; 25.8% were from 45 to 64; and 7.6% were 65 years of age or older. The gender makeup of the village was 54.5% male and 45.5% female.
As of the census of 2000, there were 60 people, 31 households, and 15 families living in the village. The population density was 405.1sp=usNaNsp=us. There were 36 housing units at an average density of 243.1sp=usNaNsp=us. The racial makeup of the village was 100.00% White.
There were 31 households, out of which 25.8% had children under the age of 18 living with them, 38.7% were married couples living together, and 48.4% were non-families. 41.9% of all households were made up of individuals, and 25.8% had someone living alone who was 65 years of age or older. The average household size was 1.94 and the average family size was 2.63.
In the village, the population was spread out, with 20.0% under the age of 18, 13.3% from 18 to 24, 16.7% from 25 to 44, 18.3% from 45 to 64, and 31.7% who were 65 years of age or older. The median age was 46 years. For every 100 females, there were 114.3 males. For every 100 females age 18 and over, there were 118.2 males.
As of 2000 the median income for a household in the village was $21,875, and the median income for a family was $27,500. Males had a median income of $19,688 versus $12,500 for females. The per capita income for the village was $11,460. There were 5.0% of families and 17.5% of the population living below the poverty line, including 46.2% of under eighteens and 19.0% of those over 64.