Question: What a U.S. census-designated place and an unincorporated area in Montgomery County, Maryland who's residence generally identify as living in the most affluent town in all the United States based on median household income ?

Context articles: Economy of Virginia
Cheltenham Township School District
Travilah, Maryland
Fannett-Metal School District
Avella Area School District
Wyoming Area School District
Potomac, Maryland
List of lowest-income places in the United States
Leechburg Area School District
Cocalico School District

The Economy of Virginia is well balanced with diverse sources of income.
 From the Hampton Roads area to Richmond and down to Lee County in the southwest includes military installations, cattle, tobacco and peanut farming in Southside Virginia.
 Tomatoes recently surpassed soy as the most profitable crop in Virginia.
 Tobacco, peanuts and hay are also important agricultural products from the commonwealth.
 Wineries and vineyards in the Northern Neck and along the Blue Ridge Mountains also have become increasingly popular.
 Northern Virginia (once considered the state's dairy capital) hosts software, communications, consulting, defense contracting, diplomats, and considerable components of the professional government sector.
 As of the 2000 census, Virginia had the highest number of counties and independent cities (15) in the top 100 wealthiest jurisdictions in the United States based upon median income, in addition, Virginia tied with Colorado as having the most counties (10) in the top 100 based on per capita income.
 Loudoun and Fairfax counties in Northern Virginia have the highest and second highest median household income, respectively, of all counties in the United States as of 2006.
The Cheltenham Township School District is a public school district serving Cheltenham Township in Montgomery County, Pennsylvania.
 The District is one of the 500 public school districts of Pennsylvania.
 The District encompasses approximately 9 sqmi .
 According to 2000 federal census data, it served a resident population of 36,875.
 By 2010, the District's population declined to 36,000 people.
 In 2009, the district residents’ per capita income was $31,424, while the median family income was $76,792.
 In the Commonwealth, the median family income was $49,501 and the United States median family income was $49,445, in 2010.
 By 2013, the median household income in the United States rose to $52,100.
Travilah is a U.S. census-designated place and an unincorporated area in Montgomery County, Maryland and near the wealthy U.S. suburban community of Potomac.
 Residents generally identify as living in Potomac, Rockville, Darnestown, or North Potomac, depending on the area they live in and the zip code they are under.
 Travilah does not have a zip code.
The Fannett-Metal School District is a diminutive, rural, public school district that serves Fannett and Metal townships in Franklin County, as well as a small portion of Toboyne Township in Perry County, Pennsylvania.
 It encompasses approximately 128 sqmi .
 According to 2000 federal census data, it served a resident population of 4,091.
 According to 2010 local census data, it serves a resident population of 4,426.
 The educational attainment levels for the School District population (25 years old and over) were 72% high school graduates and 9.2% college graduates.
 In 2009, the District residents’ per capita income was $15,304, while the median family income was $38,165.
 In the Commonwealth, the median family income was $49,501 and the United States median family income was $49,445, in 2010.
 By 2013, the median household income in the United States rose to $52,100.
 In Franklin County the median household income was $51,035.
The Avella Area School District is a diminutive, rural public school district serving less than 680 students in grades K-12.
 Approximately 30 miles southwest of Pittsburgh, Pennsylvania, the school district's two schools are located on a beautiful rural campus that also facilitates a state certified day care and preschool.
 The district covers the Borough of West Middletown and Cross Creek Township, Hopewell Township and Independence Township in Washington County, Pennsylvania.
 The district is headquartered in the unincorporated Village of Avella.
 The Avella Area School District encompasses approximately 73 sqmi .
 According to 2000 federal census data, it served a resident population of 4,497.
 By 2010, the district's population declined to 4,210 people.
 In 2009, the district residents' per capita income was $17,193, while the median family income was $42,246.
 In the Commonwealth, the median family income was $49,501 and the United States median family income was $49,445, in 2010.
 By 2013, the median household income in the United States rose to $52,100.
The Wyoming Area School District is a midsized, suburban, public school district located in northeastern Luzerne County and southeastern Wyoming County, Pennsylvania.
 It is situated midway between Wilkes-Barre and Scranton (USA).
 The District is one of the 500 public school districts of Pennsylvania.
 Wyoming Area School District is composed of six municipalities: West Pittston, Exeter, Wyoming, West Wyoming, Harding and Falls Township, covering approximately 26 sqmi primarily in Luzerne County.
 According to 2000 federal census data, it served a resident population of 20,386.
 The 2010 federal census data, reported a decline of the District's resident population to 19,386 people.
 In 2009, Wyoming Area School District residents' per capita income was $18,034, while the median family income was $43,321.
 In the Commonwealth of Pennsylvania, the median family income was $49,501 and the United States median family income was $49,445, in 2010.
 By 2013, the median household income in the United States rose to $52,100.
Potomac (   ) is a census-designated place (CDP) in Montgomery County, Maryland, United States, named for the nearby Potomac River.
 In 2013, CNNMoney.com listed Potomac as the most affluent town in all the United States based on median household income.
 Potomac is also the seventh most top-educated American small town according to "Forbes."
 Bloomberg Businessweek labeled Potomac as the twenty-ninth richest zip code in the United States in 2011, stating that it had the largest population of any U.S. town with a median income of more than $240,000.
 In 2012, The Higley Elite 100 published a list of highest-income neighborhoods by mean household income, which included four neighborhoods in Potomac; one of these neighborhoods, "Carderock-The Palisades" was ranked the highest-income neighborhood in the United States, followed by "Beverly Hills-North of Sunset" in Beverly Hills, CA, and "Swinks Mill-Dominion Reserve" of McLean, VA.
 More recently, two Potomac neighborhoods were ranked among the ten wealthiest neighborhoods in the country by CNBC in 2014.
 Many Potomac residents work in nearby Washington, D.C.
According to the United States Census Bureau the following are the places in the United States with the lowest per capita or median household income.
 Locations with populations from the 2010 census are ranked by median household income as surveyed between 2008 and 2012.
 For comparison, locations are next listed with populations per capita income from the 2000 census.
 The most sizable community in 2000 (with a population of 13,138) was Kiryas Joel, New York which had a per capita income of just $4,355.
 In terms of geographic size, Pine Ridge Indian Reservation and the adjacent Rosebud Indian Reservation (Lakota Sioux Reservations, South Dakota) have long been among the lowest income areas in the United States.
 Three of the lowest ten per capita income locations in the U.S. are on these two reservations, which constitute the three largest populations in the bottom ten locations.
The Leechburg Area School District is a small, public school district serving K–12 students from Leechburg Borough and Gilpin Township in Armstrong County, Pennsylvania, and West Leechburg Borough in Westmoreland County in the U.S. state of Pennsylvania.
 The district is one of the 500 public school districts of Pennsylvania.
 It encompasses approximately 20 sqmi .
 According to 2000 federal census data, it served a resident population of 6,263.
 By 2010, the district's population had declined to 5,938 people.
 In 2009, the residents’ per capita income was $17,586, while the median family income was $42,950.
 In the Commonwealth, the median family income was $49,501 and the United States median family income was $49,445, in 2010.
 By 2013, the median household income in the United States rose to $52,100.
The Cocalico School District is a small, suburban public school district located in Lancaster County, Pennsylvania in the United States.
 The school district covers the boroughs of Denver and Adamstown and East Cocalico Township and West Cocalico Township.
 Cocalico School District encompasses approximately 51 sqmi square miles.
 According to 2008 local census data, it served a resident population of 21,095 people.
 Per 2011, US Census Bureau data, it serves a resident population of 21,115 people.
 The educational attainment levels for the Cocalico School District population (25 years old and over) were 80.9% high school graduates and 16% college graduates.
 In 2009, the district residents’ per capita income was $20,736, while the median family income was $54,850.
 In the Commonwealth, the median family income was $49,501 and the United States median family income was $49,445, in 2010.
 In Lancaster County, the median household income was $54,765.
 By 2013, the median household income in the United States rose to $52,100.