Where the place sits
The inventory calls Mount Vernon, New York (code 49121, estimate 72,304) an incorporated city; its 2025 listing is 539, and the key is 36-49121. The geographic anchor for Mount Vernon, New York (rank 539) is 40 degrees 54 minutes 47 seconds north and 73 degrees 49 minutes 46 seconds west; FIPS 36-49121 identifies the place behind it. The reference still performs the geographic locating; for Mount Vernon, New York (latitude 40.91311), 72,304 is a dated measure at rank 539. The shown marker belongs to Mount Vernon, New York (FIPS 36-49121); 36-49121 confirms the entry, while New York offers geographic explanation.
Natural water references
Population 72,304 stays a separate scale clue; Mount Vernon, New York (code 49121, estimate 72,304) shares New York's water setting of the Hudson, Great Lakes, tidal estuaries, and inland watersheds. One state-scale observation behind Mount Vernon, New York (rank 539) is that harbor Hill and Ronkonkoma are Long Island terminal moraines; identifier 36-49121 prevents ambiguous attribution. Estimate 72,304 is only a scale measure; for Mount Vernon, New York (latitude 40.91311), water offers orientation after the reference resolves location. A state overview places Mount Vernon, New York (FIPS 36-49121) alongside its water system; Identifier 36-49121 keeps nature separate from city identity.
Landform and scale
Identifier 36-49121 keeps the geographic entry specific; Adirondack mountains, western lowlands, river valleys, and moraines provides the relief vocabulary for reading Mount Vernon, New York (code 49121, estimate 72,304). The latitude of Mount Vernon, New York (rank 539), 40 degrees 54 minutes 47 seconds north, preserves location while the broader terrain supplies another dimension. Code 49121 preserves the local reference; one verified state detail relevant to Mount Vernon, New York (latitude 40.91311) is that barrier beaches enclose Great South Bay. Census key 36-49121 prevents drift; at statewide scale, Mount Vernon, New York (FIPS 36-49121) is understood through drainage and terrain.
A connected settlement
The incorporated city of Mount Vernon, New York (code 49121, estimate 72,304) has a defined identity; settlement continues outside the label and code 49121. Population does not draw a municipal edge near code 49121; the 2025 estimate of 72,304 gives Mount Vernon, New York (rank 539) relative scale. 40 degrees 54 minutes 47 seconds north still supplies the real reference point; a broad view around Mount Vernon, New York (latitude 40.91311) keeps land, water, and settlement together. The settlement frame for Mount Vernon, New York (FIPS 36-49121) begins with New York, next narrows to the Census point at rank 539.
A practical map sequence
The entry key 36-49121 confirms the chosen city entry; To find Mount Vernon, New York (code 49121, estimate 72,304), recognize New York initial. The Mount Vernon, New York (rank 539) reference marker works when direction and scale stay constant; code 49121 guards against a similar name. The physical context of Mount Vernon, New York (latitude 40.91311) is strongest when drainage and landform stay alongside the plotted record in New York. It belongs to New York, not only the plotted marker; a supporting geographic fact for Mount Vernon, New York (FIPS 36-49121) is that lake Champlain moderates northeastern New York's climate.