1,206-CITY ATLASSOURCE-BACKED CITY REFERENCE
China
Compare this sourced profile of Chongming, China before planning. Stable fields identify the place; confirm current transport, access and opening details with official sources.
01What the data says — and does not say
This page separates the checked GeoNames row for Chongming—637,921, Asia/Shanghai, and source coordinates—from live travel claims. Those fields identify and compare the record; they do not prove current transport, accessibility, census totals, or a City Atlas Club visit.
02This city's dataset fingerprint
The source row behind Chongming is GeoNames ID 13608003. Its recorded administrative path is China, and GeoNames classifies the place as a third-order administrative seat. Chongming occurs once as a primary city label in this atlas sample; the numeric ID remains the durable source key if names change. The city row itself was updated 2026-03-31; that date belongs to the source record, not to every transport or visitor detail in the real destination.
Within the fixed 1,206-record atlas, Chongming ranks 871 by recorded population. Inside the 296 selected China entries it ranks 246; inside the 632 entries in its broad region it ranks 477. Its 637,921 population value is 0.55 times the 1,165,375 median for the country cohort and 0.63 times the 1,008,426 regional median. Chongming sits in the lower half of this atlas's selected China entries. Chongming's recorded value is materially below the country-cohort median used here. These comparisons describe this selected dataset only; they are not current census rankings or official urban-area boundaries.
Chongming's three nearest other atlas coordinates are Baoshan (Shanghai) at 30.486 km with 2,265,900 recorded people; Yangpu at 43.066 km with 1,210,800 recorded people; Hongkou at 45.442 km with 687,500 recorded people. The closest-to-farthest distance spread is 14.956 km. Compared with Baoshan (Shanghai), Chongming's recorded population is 0.28 times as large. Against Chongming, Baoshan (Shanghai) follows Shanghai → China in the source. Its point has lower latitude and lower longitude; it belongs to the same selected China cohort, uses the shared Asia/Shanghai identifier, and carries the same third-order administrative seat class. Its recorded population is above Chongming's. Against Chongming, Yangpu follows Shanghai Municipality → Shanghai → China in the source. Its point has lower latitude and lower longitude; it belongs to the same selected China cohort, uses the shared Asia/Shanghai identifier, and carries the same third-order administrative seat class. Its recorded population is above Chongming's. Against Chongming, Hongkou follows Shanghai Municipality → Shanghai → China in the source. Its point has lower latitude and lower longitude; it belongs to the same selected China cohort, uses the shared Asia/Shanghai identifier, and carries the same third-order administrative seat class. Its recorded population is above Chongming's. Its nearest-neighbor distance ranks 319 of 1,206 from shortest to longest in the same snapshot. Chongming's nearest-coordinate gap sits in the second quarter of atlas distances. This pattern can reveal whether other catalog references are geographically close, but it cannot establish whether a border crossing is possible or practical, or whether rail, road, fare, or journey-time connections exist. Read as one record signature, GeoNames 13608003, the coordinate pair 31.6185 / 121.6962, country rank 246 of 296, and neighbor GeoNames 1816917 at 30.486 km bind Chongming to a reproducible comparison. That combined key distinguishes the row; it is not a recommendation or evidence of a physical connection.
Chongming's reference point is 31.6185° north and 121.6962° east. The IANA identifier Asia/Shanghai is shared by 291 city rows in this catalog, while the GeoNames class PPLA3 is shared by 60 rows. Chongming's row carries neither a first- nor second-order administrative label in this source. Chongming's point falls in the middle-latitude coordinate band used by this atlas's row checks. Chongming's place-class field defines the narrower catalog cohort; its time zone is shared more broadly. GeoNames supplies no elevation for Chongming, so the profile preserves that missing value instead of guessing terrain. Together these fields form a reproducible identity check for this page, not a claim about walkability, climate or accessibility.
03Nearby atlas references
Chongming's closest other entries in this atlas are Baoshan (Shanghai) (30.486 km), Yangpu (43.066 km), Hongkou (45.442 km).
04Verify before you book
Before visiting Chongming, confirm changing decisions with current first-party sources:
Read how City Atlas Club verifies changing travel facts →05Sources and freshness
GeoNames updated the row 2026-03-31; the atlas checked the dataset 2026-08-04. Available Wikidata fields were verified in the same run.
GeoNames data: CC BY 4.0. Wikidata labels and descriptions: CC0 1.0.