Editing Olney, Maryland (section)

===2010 census===
In the [[2010 United States Census|2010 U.S. Census]],<ref name="GR2">{{cite web|url=http://factfinder.census.gov/bkmk/cf/1.0/en/place/Olney%20CDP,%20Maryland/POPULATION/DECENNIAL_CNT|publisher=[[United States Census Bureau]]|access-date=September 27, 2016|title=Community Facts (for Olney CDP, Maryland)|website=American FactFinder|archive-url=https://archive.today/20200214005051/http://factfinder.census.gov/bkmk/cf/1.0/en/place/Olney%20CDP,%20Maryland/POPULATION/DECENNIAL_CNT|archive-date=February 14, 2020|url-status=dead}}</ref> there were 33,844 people, 11,606 households, and 9,447 families residing in the area. The population density was {{convert|2,603.4|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 11,879 housing units at an average density of {{convert|913.8|/mi2|/km2|disp=preunit|units&nbsp;|units|}}. The ethnic makeup of the area was 75.1% [[White (U.S. Census)|White]], 11.9% [[African American (U.S. Census)|African American]], 12.0% [[Asian (U.S. Census)|Asian]], 8.5% [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]], and 0.53% Native American. 3.1% of the population identifies with "Some Other Race."

There were 11,606 households, of which 81.4% were family households. Among all households:
* 41.7%  had children under the age of 18 living with them.
* 67.2% were married couples living together.
* 11.0% had a woman householder with no husband present.
* 3.1% had a man householder with no wife present.
* 22.8% had individuals 65 years and over.
* 18.6% were non-families.
The average household size was 2.91 and the average family size was 3.25.

28.9% of residents were under the age of 20, 25.8% from 20 to 44, 34.4% from 45 to 64, and 10.8% 65 years of age or older. The median age was 41.9 years. For every 100 women, there were 91.8 men.

According to a 2015 survey, the median household income was $126,762, and the median family income was $138,072. Men had a median income of $96,624 versus $68,709 for women. The per capita income for the area was $48,289. 2.8% of the population and 2.3% of families were below the poverty line.<ref>{{cite web|title=Selected Economic Characteristics – 2015 American Community Survey|url=https://factfinder.census.gov/bkmk/table/1.0/en/ACS/15_5YR/DP03/8600000US20832|website=American FactFinder|publisher=United States Census Bureau|access-date=September 22, 2017|archive-url=https://archive.today/20200213035657/https://factfinder.census.gov/bkmk/table/1.0/en/ACS/15_5YR/DP03/8600000US20832|archive-date=February 13, 2020|url-status=dead}}</ref>