Boundary data sources
Chicago community areas
Community-area boundaries are provided by the City of Chicago Data Portal, accessed 7 October 2026. They are used to check whether listings fall within an area. See the City's data terms of use.
This site provides applications using data that has been modified for use from its original source, www.cityofchicago.org, the official website of the City of Chicago. The City of Chicago makes no claims as to the content, accuracy, timeliness, or completeness of any of the data provided at this site. The data provided at this site is subject to change at any time. It is understood that the data provided at this site is being used at one's own risk.
Philadelphia neighbourhoods
Neighbourhood boundaries are derived from Robert Cheetham / OpenDataPhilly, data updated 24 April 2024, accessed 7 October 2026, under CC BY 4.0. This is a curated, non-official source. Reviewed polygons are converted to the database geometry format while preserving existing neighbourhood definitions.
Houston super neighbourhoods
Boundaries are provided by the City of Houston Planning and Development Department, accessed 7 October 2026. The data are in the public domain. The City provides GIS data for general reference and does not warrant accuracy, completeness or suitability for legal, engineering or surveying use. Reviewed polygons are converted to the database geometry format.
San Diego neighbourhoods
Boundaries are provided by City of San Diego Police / SanGIS, updated 6 October 2026, accessed 7 October 2026, under ODC Public Domain Dedication and Licence. These are police reference neighbourhoods and do not represent legal community boundaries. Reviewed polygons are converted to the database geometry format; fragments sharing the same source identifier are combined where required to preserve the existing neighbourhood definition.
Los Angeles neighbourhoods
Boundaries derive from the Los Angeles Times Mapping L.A. V6 export, publisher revision 5acc817, accessed 7 October 2026. This historical, non-official source preserves the existing neighbourhood definitions. Polygons are converted to database format; original sibling overlaps remain and ambiguous listing points are excluded.
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Austin neighbourhood planning areas
Boundaries from the City of Austin GIS Division, accessed 7 October 2026, under the City Open Data Terms of Use. Montopolis preserves its existing definition. Oak Hill combines East and West Oak Hill, GIS IDs 3.0 and 9.0, preserving the existing combined footprint. Data are converted to database geometry format.
Miami neighbourhoods
Port of Miami boundary from the City of Miami, Department of Innovation and Technology, GIS Team, accessed 7 October 2026, under CC BY 4.0. The source polygon exactly preserves the existing boundary; data are converted to database geometry format.
Philadelphia historical definitions
East Falls, Chestnut Hill, West Mount Airy and Upper Roxborough use Robert Cheetham / OpenDataPhilly's archived 2013 export, accessed 7 October 2026, under CC BY 4.0. The four source polygons exactly preserve their existing definitions; later changed footprints were not substituted.
Zillow neighbourhood boundaries
Additional reviewed archive boundaries: Forest Park in St. Louis; Longfellow in Kansas City; Rincon Heights in Tucson; Golf View in Tampa; Jeffvanderlou in St. Louis; Ralph Bunche in Oakland; Eastern 49-63 in Kansas City; Temescal in Oakland; Eastwood Hills West in Kansas City; Amphi in Tucson; Greenway Fields in Kansas City; Wendell Phillips in Kansas City; Princeton Heights in St. Louis; Woodland Hills in Cleveland; Fox Park in St. Louis; Midtown in Tucson; Limberlost in Tucson; Cherokee Triangle in Louisville; Vandeventer in St. Louis; Richland Heights East in Tucson; Parkland in Louisville; Clayton-Tamm in St. Louis; Woodland Terrace in Tampa; Tudor Area in Anchorage; Limerick in Louisville; Hope Valley Green in Durham; Morningside in Kansas City; Deer Park in Louisville; Loma Vista in Kansas City; La Salle in St. Louis; Willow Creek in Kansas City; Lafayette Square in St. Louis; The Greater Ville in St. Louis; Linden Hills And Indian Heights in Kansas City; Missouri Botanical Garden in St. Louis; Oak Park Northwest in Kansas City; Swope Parkway-Elmwood in Kansas City; Botanical Heights in St. Louis; Saint Louis Place in St. Louis; Sunnyside in Tucson; Kinsman in Cleveland; El Gheko in Tucson; Park Hill in Louisville; Columbus Square in St. Louis; Tyler Park in Louisville; Thunderbird Heights-Wilmot Desert in Tucson; Highlands in Louisville; Peralta-Laney in Oakland; Sarritt Point in Kansas City; Duke East Campus in Durham; River Run in Fort Lauderdale; Valentine in Kansas City; Paristowne Point in Louisville; North Kennedy Tract in Oakland; Ridgeway in Stamford; Cabrini in Tucson; Westside North in Kansas City; Clifton Heights in Louisville; Richland Heights West in Tucson; Roxbury in Stamford; South Blue Valley in Kansas City; Fairlane in Kansas City; Saint Joseph in Louisville; Huffman/O'Malley in Anchorage; Washington Weatley in Kansas City; North Broadway in Cleveland; Clifton Heights in St. Louis; Doolen-Fruitvale in Tucson; Squier Park in Kansas City; Debaliviere Place in St. Louis; Clay Arsenal in Hartford; McKinley Heights in St. Louis; Old Farm in Durham; Legacy East in Kansas City; Hyde Park in St. Louis; Brown Estates in Kansas City; Santa Fe in Kansas City; Stanford Estates in Kansas City; Oakwood in Kansas City; Park Estates in Long Beach; Caballo Hills in Oakland; Manheim Park in Kansas City; Carr Square in St. Louis; Red Bridge North in Kansas City; Landon Farms in Durham; Holly Hills in St. Louis; Barrio San Antonio in Tucson; South Louisville in Louisville; The Ville in St. Louis; Wellons Village in Durham; Hazelwood in Louisville; Gravois Park in St. Louis; Walnut Park East in St. Louis; Durrs Homeowners in Fort Lauderdale; South Town Fork Creek in Kansas City; Keeling in Tucson; Avondale in Tucson; Terra Del Sol in Tucson; Flamingo Park in Fort Lauderdale; Irish Hill in Louisville.
Additional reviewed archive boundaries: Flagler Heights in Fort Lauderdale; Old Westport in Kansas City; Russell in Louisville; Courier City in Tampa; Bon Air in Tampa; Russian Jack Park in Anchorage; Mosswood in Oakland; Northeast in Anchorage; Benton Park West in St. Louis; Northeast Macfarlane in Tampa; Dutchtown in St. Louis; Corbett in Tucson; North Hampton in St. Louis; Frog Hollow in Hartford; Tower Grove South in St. Louis; Campbell Park in Anchorage; The Hill in St. Louis; West End in Cincinnati; Live Oaks Square in Tampa; Shelby Park in Louisville; Hedrick Acres in Tucson; California in Louisville; Clifton in Louisville; Santa Fe Hills in Kansas City; Asylum Hill in Hartford; Rose in Tucson; La Madera in Tucson; South Hampton in St. Louis; Midtown in St. Louis; Smoketown Jackson in Louisville; The Gate District in St. Louis; University in Louisville; Sunset Hill in Kansas City; North Town Fork Creek in Kansas City; Rogers Park in Anchorage; Germantown in Louisville; Fairoaks in Tampa; Central Hyde Park in Kansas City; Mountain View in Tucson; Shafter in Oakland; Lykins in Kansas City; Fairgrounds in Louisville; Clark Fulton in Cleveland; Southwest Garden in St. Louis; Soulard in St. Louis; Old North Saint Louis in St. Louis; Saint Cyrils in Tucson; Columbia-Tusculum in Cincinnati; Barry Square in Hartford; Tarpon River in Fort Lauderdale; Covenant Blu-Grand Center in St. Louis; Hoover-Foster in Oakland; Ybor City in Tampa; Kingsway East in St. Louis; Birdlespur in Kansas City; East Ybor in Tampa; Tower Grove East in St. Louis; Lake Ridge in Fort Lauderdale; Bevo Mill in St. Louis; Old Seminol Heights in Tampa; Key Coalition in Kansas City; West Shore Palms in Tampa; Northside in Cincinnati; McClymonds in Oakland; Sailboat Bend in Fort Lauderdale; Poplar Level in Louisville; Airport Heights in Anchorage; Country Club Plaza in Kansas City; Fountain Park in St. Louis; Stadium Heights in Durham; Penrose in St. Louis; Indipendence Plaza in Kansas City; Shaw in St. Louis; Coleman Highlands in Kansas City; Parkland Estates in Tampa; Cherokee Gardens in Louisville; Forest Park Southeast in St. Louis; North Star in Anchorage; Croissant Park in Fort Lauderdale; San Pablo Gateway in Oakland; Cheltenham in St. Louis; Naylor in Tucson; Palo Verde in Tucson; Tower Homes in Kansas City; North Hyde Park in Kansas City; Citadel in Kansas City; Wyandotte in Louisville; Mount Adams in Cincinnati; Upper Albany in Hartford; South Green in Hartford; Kingsway West in St. Louis; Beacon Hills in Kansas City; Rancho San Antonio in Oakland; Pill Hill in Oakland; Blenman-Elm in Tucson; Schnitzelburg in Louisville; Fairfax in Cleveland; Royal Oaks in Kansas City; West Waldo in Kansas City; Armory Park in Tucson.
Avondale, Walnut Hills and Camp Washington in Cincinnati; Beechmont and Camp Taylor in Louisville; Maxwell Park and Chinatown in Oakland; Hough in Cleveland; Mountain View, Taku/Campbell and Midtown in Anchorage; Bixby Knolls in Long Beach; Downtown West in St. Louis; Central in Cleveland; Downtown in Stamford; Central West End in St. Louis; Oakford Park in Tampa; Old Louisville in Louisville; CUF in Cincinnati; Broadway Gillham and Central Business District-Downtown in Kansas City; Historic Ybor in Tampa; Corryville in Cincinnati; Phoenix Hill in Louisville; Abbott Loop in Anchorage; Desert Shores in Las Vegas; Western 49-63 in Kansas City; Palma Ceia West in Tampa; Turn of River in Stamford; and Highland Pines, Palma Ceia and Virginia Park in Tampa use Zillow boundaries from the EPA 2017 archive, accessed 7 October 2026. These are Zillow's neighbourhood definitions, not legal or jurisdictional boundaries.
The boundary data and our downloadable selected boundaries are shared under Creative Commons Attribution-ShareAlike 3.0. Changes: 232 polygons selected, coordinates converted from NAD83 to WGS84, then stored in database geometry format. No topology repair or manual coordinate adjustment was made. The original Zillow attribution and share-alike terms are retained.