| City | Boundary Source | Neighborhoods |
| Anaheim | P.R.N. | |
| Anchorage | Zillow | Downtown |
| Arlington | P.R.N. | |
| Atlanta | Zillow | Downtown |
| Austin | Google Maps | Downtown |
| Baltimore | Zillow | Downtown and Inner Harbor |
| Boston | Zillow | North End, West End, Haymarket, Government Center, Beacon Hill, Downtown, Downtown Crossing, Leather District, Chinatown, Bay Village, and Back Bay. |
| Charlotte | P.R.N. | |
| Chicago | Zillow | Loop |
| Cincinatti | Zillow | Central Business District |
| Cleveland | Zillow | Downtown |
| Columbus | Zillow | Downtown |
| Dallas | Zillow | Arts District, City Center District, Main Street District, West End Historic District, Government District, Farmers Market District, Convention Center District, and Reunion District. |
| Denver | Zillow | Central Business District and Union Station. |
| Detroit | Zillow | Downtown and Greektown |
| Fort Worth | P.R.N. | |
| Honolulu | Zillow | Downtown |
| Houston | Google Maps | Downtown |
| Indianapolis | Google Maps | Mile Square |
| Jersey City | Zillow | Waterfront |
| Kansas City | Zillow | Central Business District – Downtown |
| Las Vegas | Zillow | Downtown |
| Long Beach | Zillow | Downtown |
| Los Angeles | P.R.N. | Civic Center, Bunker Hill, Historic Core, Bunker Hill, Financial District, and Jewelry District. |
| Louisville | Zillow | Central Business District |
| Lubbock | Google Maps | Downtown |
| Mesa | P.R.N. | |
| Miami | Zillow | Downtown and Brickell |
| Minneapolis | Zillow | Downtown West |
| Nashville | P.R.N. | |
| New Orleans | Zillow | Central Business District and French Quarter. |
| New York City | Zillow | Midtown |
| Newark | Google Maps | Central Business District |
| Oakland | Zillow | San Pablo Gateway, Downtown, Lakewide, Old City, Chinatown, Civic Center, Peralta-Laney, and Produce and Waterfront. |
| Orlando | Google Maps | Central Business District |
| Philadelphia | P.R.N. | Center City excluding all residential south of Walnut Street |
| Phoenix | P.R.N. | |
| Pittsburgh | Zillow | Central Business District |
| Portland | Zillow | Downtown |
| Riverside | P.R.N. | |
| Sacramento | Zillow | Downtown |
| Saint Louis | Zillow | Downtown |
| Saint Paul | Zillow | Downtown |
| San Antonio | P.R.N. | |
| San Diego | Zillow | Core-Columbia, Horton Plaza, Gaslamp Quarter, and Marina. |
| San Francisco | Zillow | Financial District, Yerba Buena, and South Beach. |
| San Jose | Google Maps | Downtown |
| Seattle | Zillow | Downtown, Pioneer Square, and International District. |
| Tampa | Google Maps | Downtown |
| Tulsa | Zillow | Downtown |
| Washington DC | Google Maps | Downtown |
