Regional position
Its 2025 listing is 231, and the key is 42-02000; the inventory calls Allentown, Pennsylvania (code 02000, estimate 126,044) an incorporated city. Identifier 42-02000 prevents a reference from losing its name; Allentown, Pennsylvania (rank 231) is plotted from 40 degrees 35 minutes 37 seconds north with 75 degrees 28 minutes 42 seconds west. Allentown, Pennsylvania (latitude 40.59365) carries a 2025 estimate of 126,044; place code 02000 ties that number to the guide entry. The reference and code 02000 then narrow the reference; a state view introduces Allentown, Pennsylvania (FIPS 42-02000) through folded Appalachian ridges, plateaus, Piedmont, valleys, and major rivers.
Water and drainage
For Allentown, Pennsylvania (code 02000, estimate 126,044), wide water references include the Susquehanna, Ohio, Delaware, Allegheny, and Monongahela systems; rank 231 holds the drainage description tied to this entry. Code 02000 stays shown; the water interpretation for Allentown, Pennsylvania (rank 231) gains depth from this Pennsylvania detail: pennsylvania drains toward Atlantic waters, the Gulf of Mexico and the Great Lakes. Estimate 126,044 is only a scale measure; for Allentown, Pennsylvania (latitude 40.59365), water offers orientation after the coordinate resolves location. A state overview places Allentown, Pennsylvania (FIPS 42-02000) alongside its water system; identifier 42-02000 holds nature separate from city identity.
Relief and elevation
A wide reading of Allentown, Pennsylvania (code 02000, estimate 126,044) starts with folded Appalachian ridges, plateaus, Piedmont, and valleys; Coordinates and code 02000 then narrow the reference. The coordinates for Allentown, Pennsylvania (rank 231) do not reveal height; the terrain supplies that statewide dimension and code 02000 supplies identity. For Allentown, Pennsylvania (latitude 40.59365), the checked statement that pennsylvania borders both Lake Erie and the Delaware estuary adds scale to the terrain description without inventing a contour. The water layer reveals organization while rank 231 identifies the entry; the landform near Allentown, Pennsylvania (FIPS 42-02000) is not a flat backdrop.
Settlement pattern
Its marker stays one locator in a wider region; Census rank 231 places Allentown, Pennsylvania (code 02000) inside a countrywide settlement comparison. Code 02000 is not a shortcut for jurisdictional shape; read 126,044 as the reported size of Allentown, Pennsylvania (rank 231). For Allentown, Pennsylvania (latitude 40.59365), statewide continuity may be shown even when municipal identity stays distinct; place code 02000 marks the distinction. Identifier 42-02000 prevents setting from replacing city identity; Allentown, Pennsylvania (FIPS 42-02000) is part of its Pennsylvania setting. For rank 231, Allentown, Pennsylvania (estimate 126,044) stays a defined entry within a larger and changing settlement landscape.
Reading the city map
Read Allentown, Pennsylvania (code 02000) as one marker inside Pennsylvania; place code 02000 holds the named entry from drifting. Use 42-02000 as the key for Allentown, Pennsylvania (rank 231), then use its coordinate to keep location consistent across map scales. Identifier 42-02000 prevents drift; Keep Allentown, Pennsylvania (latitude 40.59365), drainage, and terrain in one sequence as the guide changes scale. Readers keep Allentown, Pennsylvania (FIPS 42-02000) in proportion by remembering that six physiographic provinces occur in Pennsylvania; the reference remains the local locator. Rank 231, code 42-02000, and the landscape together provide a durable reference for Allentown, Pennsylvania (estimate 126,044).