Editing St. Helena, California (section)

==Demographics==
{{multiple image
|align=left
|direction=vertical
|image1=St. Helena Catholic Church, Oak and Tainter Sts., St. Helena, CA 10-16-2011 12-54-19 PM.JPG
|caption1=[[St. Helena Catholic Church]]
|image2=Pope Street Bridge, Napa River, St. Helena, CA 10-9-2011 6-06-46 PM.JPG
|caption2=[[Pope Street Bridge]]
}}
{{US Census population
|1880= 1339
|1890= 1705
|1900= 1582
|1910= 1603
|1920= 1346
|1930= 1582
|1940= 1758
|1950= 2297
|1960= 2722
|1970= 3173
|1980= 4898
|1990= 4990
|2000= 5950
|2010= 5814
|2020= 5438
|estyear= 
|estimate= 
|estref= 
|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|access-date=June 4, 2015}}</ref>
}}
The [[2010 United States Census]]<ref name="AutoY4-11"/> reported that St. Helena had a population of 5,814. The population density was {{convert|1,156.7|PD/sqmi|PD/km2|sp=us|adj=off}}. The racial makeup of St. Helena was 4,525 (77.8%) [[White (U.S. Census)|White]], 25 (0.4%) [[African American (U.S. Census)|African American]], 35 (0.6%) [[Native American (U.S. Census)|Native American]], 98 (1.7%) [[Asian (U.S. Census)|Asian]], 9 (0.2%) [[Pacific Islander (U.S. Census)|Pacific Islander]], 978 (16.8%) from [[Race (United States Census)|other races]], and 144 (2.5%) from two or more races. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 1,914 persons (32.9%).

The Census reported that 98.3% of the population lived in households and 1.7% lived in non-institutionalized group quarters.

There were 2,401 households, out of which 694 (28.9%) had children under the age of 18 living in them, 1,118 (46.6%) were [[marriage|opposite-sex married couples]] living together, 223 (9.3%) had a female householder with no husband present, 99 (4.1%) had a male householder with no wife present. There were 96 (4.0%) [[POSSLQ|unmarried opposite-sex partnerships]], and 20 (0.8%) [[same-sex partnerships|same-sex married couples or partnerships]]. 805 households (33.5%) were made up of individuals, and 411 (17.1%) had someone living alone who was 65 years of age or older. The average household size was 2.38. There were 1,440 [[family (U.S. Census)|families]] (60.0% of all households); the average family size was 3.03.

The population was spread out, with '''1,280 people (22.0%)''' under the age of 18, 453 people (7.8%) aged 18 to 24, 1,333 people (22.9%) aged 25 to 44, 1,627 people (28.0%) aged 45 to 64, and 1,121 people (19.3%) who were 65 years of age or older. The median age was 42.9 years. For every 100 females, there were 88.2 males. For every 100 females age 18 and over, there were 84.9 males.

There were 2,776 housing units at an average density of {{convert|552.3|/sqmi|/km2|sp=us|adj=off}}, of which 55.4% were owner-occupied and 44.6% were occupied by renters. The homeowner vacancy rate was 2.7%; the rental vacancy rate was 5.8%. 51.4% of the population lived in owner-occupied housing units and 46.9% lived in rental housing units.