Question: According to the 2010 census, what is the population of the city which boasts the West Montgomery Avenue Historic District?

<P0-S0> Rockville is a U.S. city located in the central region of Montgomery County, Maryland. <P0-S1>  It is the county seat and is a major incorporated city of Montgomery County and forms part of the Baltimore–Washington metropolitan area. <P0-S2>  Rockville is the largest incorporated city in Montgomery County, Maryland, although the nearby census-designated place of Germantown is more populous. <P0-S3>  The 2010 census tabulated Rockville's population at 61,209, making it the third largest incorporated city in Maryland, behind Baltimore and Frederick. <SEP> <P1-S0> The West Montgomery Avenue Historic District is a national historic district located at Rockville, Montgomery County, Maryland. <P1-S1>  It is a residential area with single-family homes predominating. <P1-S2>  The majority of the properties within the district date from the 1880s, with a few older homes and somewhat more from later periods. <P1-S3>  The predominant character of the district is set by the rows of Victorian houses built between 1880 and 1900 in a vernacular residential mode with Eastlake and Stick Style influences. <P1-S4>  Also included in the district are attorneys' offices; churches and parsonages; a funeral home; the former Woodlawn Hotel, later called the Chestnut Lodge Sanitarium (destroyed by fire, June 7, 2009); and the headquarters of the Montgomery County Historical Society. <SEP> <P2-S0> The West Garrison Avenue Historic District is a historic district encompassing the oldest commercial section of Fort Smith, Arkansas. <P2-S1>  When listed on the National Register of Historic Places in 1979, the district included just a five-block stretch of Garrison Avenue, the major east-west thoroughfare in the city and one its oldest, dating to the city's founding in 1838. <P2-S2>  The district included more than fifty historically significant buildings built before 1912. <P2-S3>  The area was significantly affected by a major tornado in September 1996, in which thirteen historic buildings were destroyed and others damaged. <P2-S4>  The district was subsequently enlarged in 2001 to encompass 175 buildings with historic significance to 1951. <P2-S5>  These buildings are located along the length of Garrison Avenue (twelve blocks), as well as Rogers Avenue and North "A" Street, which run parallel to Garrison (north and south of it, respectively), and the connecting north-south blocks. <SEP> <P3-S0> The Swiss Avenue Historic District is a residential neighborhood in East Dallas, Dallas, Texas (USA). <P3-S1>  It consists of installations of the Munger Place addition, one of East Dallas' early subdivisions. <P3-S2>  The Swiss Avenue Historic District is a historic district of the city of Dallas, Texas. <P3-S3>  The boundaries of the district comprise both sides of Swiss Avenue from Fitzhugh Steet, to just north of La Vista, and includes portions of Bryan Parkway. <P3-S4>  The District includes the 6100-6200 blocks of La Vista Drive, the west side of the 5500 block of Bryan Parkway the 6100-6300 blocks of Bryan Parkway, the east side of the 5200-5300 block of Live Oak Street, and the 4900-6100 blocks of Swiss Avenue. <P3-S5>  The entire street of Swiss Avenue is not included within the bounds of the Swiss Avenue Historic District. <P3-S6>  Portions of the street run through Dallas' Peaks Suburban Addition neighborhood and Peak's Suburban Addition Historic District.