Editing Seneca, Nebraska (section)

==Demographics==
{{US Census population|align=left
|1920= 476
|1930= 272
|1940= 255
|1950= 219
|1960= 160
|1970= 111
|1980= 90
|1990= 78
|2000= 51
|2010= 33
|2020= 49
|footnote=U.S. Decennial Census<ref name="DecennialCensus">{{cite web|url=https://www.census.gov/programs-surveys/decennial-census.html|title=Census of Population and Housing|publisher=Census.gov|accessdate=June 4, 2015}}</ref>
}}

===2000 census===
As of the [[census]]<ref name="GR2" /> of 2000, there were 51 people, 26 households, and 17 families residing in the village. The population density was {{convert|422.8|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 52 housing units at an average density of {{convert|431.1|/sqmi|/km2|sp=us|adj=off}}. The racial makeup of the village was 100.00% [[White (U.S. Census)|White]].

There were 26 households, out of which 23.1% had children under the age of 18 living with them, 50.0% were [[Marriage|married couples]] living together, 15.4% had a female householder with no husband present, and 34.6% were non-families. 34.6% of all households were made up of individuals, and 23.1% had someone living alone who was 65 years of age or older. The average household size was 1.96 and the average family size was 2.47.

The median age in Seneca was 48 years: 19.6% of the residents were under the age of 18; 2.0% were aged from 18 to 24; 19.6% were between 25 and 44; 35.3% were from 45 to 64; and 23.5% were 65 years of age or older. For every 100 females, there were 75.9 males. For every 100 females age 18 and over, there were 64.0 males.

As of 2000, the median income for a household in the village was $20,833 and the median income for a family was $21,667. Males had a median income of $26,250 versus $20,500 for females. The [[per capita income]] for the village was $15,803. The village population included 12.1% who lived below the [[poverty line]]. That included 16.7% of the families and 23.1% of residents older than 64, but no one younger than 18.

===2010 census===
As of the [[census]]<ref name ="wwwcensusgov">{{cite web|title=U.S. Census website|url=https://www.census.gov|publisher=[[United States Census Bureau]]|accessdate=2012-06-24}}</ref> of 2010, there were 33 people, 21 households, and 10 families residing in the village. The [[population density]] was {{convert|253.8|PD/sqmi|PD/km2|1}}. There were 46 housing units at an average density of {{convert|353.8|/sqmi|/km2|1}}. The racial makeup of the village was 100.0% [[White (U.S. Census)|White]].

There were 21 households, of which 2 had children under the age of 18 living with them, 8 were [[Marriage|married couples]] living together, 1 had a female householder with no husband present, 1 had a male householder with no wife present, and 11 were non-families.  Eleven of the households were made up of individuals, and 8 had someone living alone who was 65 years of age or older. The average household size was 1.57 and the average family size was 2.10.

The median age in the village was 55.3 years. Three of the residents were under the age of 18; one was between the ages of 18 and 24; four were between 25 and 44; fifteen were from 45 to 64; and ten were 65 years of age or older. The gender makeup of the village was 45.5% male and 54.5% female.