Question: The Rogers Fort Hill Park Historic District is in a city that in 2014 had an estimated population of what?

Context paragraphs:
Rogers Fort Hill Park Historic District: The Rogers Fort Hill Park Historic District of Lowell, Massachusetts, encompasses the largest single residential development made in the city in the 19th century.  The district includes the area historically associated with the Rogers Farm, purchased in 1805 by Zadock Rogers.  His daughters sold off most of the property in two parcels in the 1880s: land to the south of their homestead was sold to the city, and most of it was developed into Fort Hill Park, while that north of the homestead was sold to developers.  The district is roughly bounded by High Street, Mansur Street, Concord Road, and Lowell Cemetery.

Fort Hill Rural Historic District: The Fort Hill Rural Historic District is a historic district encompassing two farmsteads with more than 200 years of history in Eastham, Massachusetts.  The district is a 100 acre area of forest, fields, and salt marshes that was owned by the Knowles and Penninman families from 1742 to 1941.  It has been part of the Cape Cod National Seashore since 1961.  The area is dominated by the rise called "Fort Hill", which provides extensive views of the area and has its own rich history.  The district includes the Edward Penniman House and Barn, previously listed on the National Register of Historic Places, and the Nauset Archeological District, a National Historic Landmark.

Lowell, Massachusetts: Lowell is a city in the U.S. Commonwealth of Massachusetts.  Located in Middlesex County, Lowell (along with Cambridge) served as a county seat until Massachusetts disbanded county government in 1999.  With an estimated population of 109,945 in 2014, it is the fourth-largest city in Massachusetts, and the second-largest in the Boston metropolitan statistical area.  The city is also part of a smaller Massachusetts statistical area called Greater Lowell, as well as New England's Merrimack Valley region.

Spencer Town Center Historic District: The Spencer Town Center Historic District encompasses the historic downtown of Spencer, Massachusetts.  When first listed on the National Register of Historic Places in 1986, the district covered 250 acre centered on Main Street between High and North Streets.  A major expansion, the East Main Street-Cherry Street Historic District, added 45 acre of a predominantly residential area east of the center.  The district was expanded twice in 2003, adding residential areas along Grove, Prouty, Pleasant, High, and Main Streets, and industrial areas on Cherry, Wall, and Mechanic Streets, as well as Luther Hill Park.  The main period of historic interest is the peak period of Spencer's industrial history in the last quarter of the 19th century, although there are a significant number of properties that predate this period.

Fort Hill (Burlington, West Virginia): Fort Hill, also known as Fort Hill Farm, is a historic plantation house and national historic district located near Burlington, Mineral County, West Virginia.  The district includes 15 contributing buildings, 1 contributing site, and 2 contributing structures.  The main house was completed in 1853, and is a two-story, "L"-shaped brick dwelling composed of a side gable roofed, five bay building with a rear extension in the Federal style.  It features a three-bay, one-story front porch supported by four one foot square Tuscan order columns.  Also on the property are a number of contributing buildings including a washhouse and cellar, outhouse, a dairy and ice house, a meat house, a garage, a hog house, poultry houses, a bank barn with silo, and a well.  The family cemetery is across the road west of the main house.  Located nearby and in the district is "Woodside," a schoolhouse built about 1890, and a tenant house and summer kitchen.

Eighth Street Park Historic District: Eighth Street Park Historic District, also known as Tilton Park Historic District, is a national historic district located at Wilmington, New Castle County, Delaware.  It encompasses 208 contributing buildings located around Eighth Street Park in Wilmington.  It is a primarily residential district developed in the late-19th and early-20th century.  They include rowhouse, semi-detached, and detached dwellings are in a variety of popular styles including Second Empire and Queen Anne.  The oldest house is the James Tilton house (1802), home of Surgeon General of the United States Army James Tilton.  Also located in the district is the Second Baptist Church.

Fort Hill, Boston: Fort Hill is a 0.4 square mile neighborhood and historic district of Roxbury, in Boston, Massachusetts.  The approximate boundaries of Fort Hill are Malcolm X Boulevard on the north, Washington Street on the southeast, and Columbus Avenue on the southwest.

Roxbury High Fort: Roxbury High Fort is a historic fort site on Beech Glen Street at Fort Avenue in the Roxbury neighborhood of Boston, Massachusetts.  The site now contains a small park and the Cochituate Standpipe, also known as Fort Hill Tower, built in 1869.  The fort site was added to the National Register of Historic Places in 1973.  The site inspired the name of the Fort Hill neighborhood which surrounds the area of the High Fort.

Wilson Park Historic District: The Wilson Park Historic District (sometimes Rock House Historic District) is a historic district in Fayetteville, Arkansas, USA, located just northeast of the University of Arkansas.  The district consists of several residential buildings that developed during the late 19th and early 20th Century near Wilson Park just north of Dickson Street, the city's primary entertainment district.  Wilson Park Historic District includes 47 contributing buildings.

Oak Hill Park Historic District: Oak Hill Park Historic District is a historic district located at Olean in Cattaraugus County, New York.  The 32.5 acre district encompasses 89 properties including 82 residences, two churches, one school (the Olean High School), and a landscape design.  There are 76 contributing buildings.  The structures reflect a variety of mid-late 19th-century and early 20th-century architectural styles including Queen Anne, Italianate, and Gothic Revival styles.  The structures were constructed between about 1849 and 1937.

Supporting paragraphs: Rogers Fort Hill Park Historic District Lowell, Massachusetts
Answer: 109,945