Piedmont and Maryland are almost exactly the same size
Piedmont (region of Italy) covers about 25,500 km² (9,850 mi²) and Maryland (state of the United States) about 25,500 km² (9,830 mi²). Their outlines are laid over each other below at one scale.
- 25,500km²Piedmont
- 25,500km²Maryland
100 km
- Piedmont
- Maryland
What fits
- Maryland is 100% of the size of Piedmont.
- The measured areas differ by 48.6 km², less than half a percent: closer than the measurement itself is certain.
- Measured in Belgiums: Piedmont is about 0.83, Maryland about 0.83.
How they differ
- Piedmont is larger, but Maryland has the larger population: 6.2 million against 4.3 million, 1.42× as many people.
- Per square kilometre that is 243 in Maryland against 170 in Piedmont: Maryland is 1.43× as densely populated.
- Their centres are about 6,700 km apart.
- A standard web map misstates the comparison: Piedmont at 45°N is drawn about 2.0× too large and Maryland at 39°N about 1.7×, so the map shows Piedmont as 1.21× the size of Maryland instead of 1.00×.
- Together Piedmont and Maryland cover 51,000 km², close to the size of Costa Rica (51,200 km², 0.3% bigger).
- At Maryland's density, Piedmont would have 6.2 million people (it has 4.3 million). At Piedmont's density, Maryland would have 4.3 million (it has 6.2 million).
- Piedmont's centre is 6.0° of latitude, about 670 km, farther north than Maryland's.
- Piedmont is the 2nd largest of the 20 regions of Italy and covers 8.5% of its area; it is the 9th most densely populated of them.
- Maryland is the 42nd largest of the 51 states and districts of the United States and covers 0.3% of its area; it is the 6th most densely populated of them.
- Piedmont lies about 6° of latitude (roughly 668 km) north of Maryland.
- Shared out evenly, each person in Piedmont would have about 5,880 m² and each person in Maryland about 4,120 m².
- Laid side by side, Piedmont and Maryland would cover 51,000 km², about the same size as Costa Rica.
- Together they have 10.5 million people, about as many people as Greece.
Side by side
| Piedmont | Maryland | |
|---|---|---|
| Is a | RegionItaly | StateUnited States |
| Area, measured | 25,500 km²9,850 mi² | 25,500 km²9,830 mi² |
| Official area | 25,400 km²Wikidata | 32,100 km²Wikidata |
| Rank by area | 2nd of 20in Italy | 42nd of 51in the United States |
| Population | 4.3 millionWikidata, 2019 | 6.2 millionWikidata, 2020 |
| Rank by population | 7th of 20in Italy | 18th of 51in the United States |
| Density | 170 per km² | 243 per km² |
| Capital | Turin | Annapolis |
| Latitude range | 44°N to 46°N | 38°N to 40°N |
Population: Wikidata 2019 and Wikidata 2020. Official figures: Wikidata (CC0).
- Wikidata's official figure of 25,400 km² agrees with our measured area of 25,500 km², to within 2%.
- Our measured 25,500 km² is 21% below Wikidata's official figure of 32,100 km². Official figures can include inland water or count land that an outline draws differently. This difference is flagged for review.
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Sources and method
- Outlines
- Natural Earth, 1:10m Admin 1 - States, Provinces, public domain. The outline of Piedmont is the provinces Natural Earth draws there, joined along their shared borders.
- Boundary
- De facto, as drawn by Natural Earth. A region is drawn whole, every island included; a country is its main territory.
- Area
- Measured on the WGS84 ellipsoid from the full-detail outlines, shown rounded.
- Drawing
- Each outline is projected with an equal-area projection centred on its own centroid, so areas stay true and the two can be laid over each other.
- Data built
- 2026-11-12