Islands in South America Ranked by Population density
Islands recorded in Wikidata, ranked by Population density. Only items Wikidata places in South America (directly or through their country) are included. Source: Wikidata (CC0 1.0 (public domain)).
Summary
Margarita Island ranks #1 with 480.3 people per km². Itaparica Island is second with 399.3 people per km², 20.3% behind. The top five are Margarita Island, Itaparica Island, Quinchao Island, Lemuy Island and Easter Island. The median across all 17 is 10.5 people per km²; Riesco Island is last at 0.031 people per km².
- #1
- Margarita Island · 480.3 people per km²
- Median
- 10.5 people per km²
- Coverage
- 17 islands in South America
- Data year
- As recorded in Wikidata
- Last updated
- 2026-11-14
Full ranking
| Rank | Island | Location | Population density (people per km²) |
|---|---|---|---|
| 1 | Margarita Island | Venezuela, RB | 480.3 |
| 2 | Itaparica Island | Brazil | 399.3 |
| 3 | Quinchao Island | Chile | 61.7 |
| 4 | Lemuy Island | Chile | 42.5 |
| 5 | Easter Island | Chile | 29.3 |
| 6 | Chiloé Island | Chile | 17.9 |
| 7 | Santa Cruz Island | Ecuador | 16 |
| 8 | Ilha Grande | Brazil | 15.5 |
| 9 | Marajó | Brazil | 10.5 |
| 10 | San Cristóbal Island | Ecuador | 10.1 |
| 11 | Puná Island | Ecuador | 7.6 |
| 12 | Isla Grande de Tierra del Fuego | Chile, Argentina | 4.17 |
| 13 | Isabela Island | Ecuador | 0.637 |
| 14 | Floreana Island | Ecuador | 0.58 |
| 15 | Dawson Island | Chile | 0.233 |
| 16 | Wellington Island | Chile | 0.04 |
| 17 | Riesco Island | Chile | 0.031 |
About the top 10
#1 Margarita Island
Margarita Island ranks #1 on this list with 480.3 people per km².
- Country
- Venezuela, RB
- Length
- 69 km
- Area
- 1,020 km²
Also ranks #73 in population.
#2 Itaparica Island
Itaparica Island ranks #2 on this list with 399.3 people per km².
- Country
- Brazil
- Elevation
- 21 m
- Area
- 146 km²
#3 Quinchao Island
Quinchao Island ranks #3 on this list with 61.7 people per km².
- Country
- Chile
- Elevation
- 168 m
- Area
- 129.3 km²
#4 Lemuy Island
Lemuy Island ranks #4 on this list with 42.5 people per km².
- Country
- Chile
- Length
- 19 km
- Elevation
- 98 m
- Area
- 97 km²
#5 Easter Island
Easter Island ranks #5 on this list with 29.3 people per km².
- Country
- Chile
- Length
- 24 km
- Elevation
- 211 m
- Area
- 164 km²
#6 Chiloé Island
Chiloé Island ranks #6 on this list with 17.9 people per km².
- Country
- Chile
- Length
- 180 km
- Elevation
- 491 m
- Area
- 8,394 km²
Also ranks #49 in population density · #98 in area.
#7 Santa Cruz Island
Santa Cruz Island ranks #7 on this list with 16 people per km².
- Country
- Ecuador
- Length
- 43 km
- Elevation
- 864 m
- Area
- 979 km²
#8 Ilha Grande
Ilha Grande ranks #8 on this list with 15.5 people per km².
- Country
- Brazil
- Length
- 29 km
- Elevation
- 1,031 m
- Area
- 193 km²
#9 Marajó
Marajó ranks #9 on this list with 10.5 people per km².
- Country
- Brazil
- Length
- 297 km
- Elevation
- 19 m
- Area
- 40,100 km²
Also ranks #36 in area · #54 in population density · #81 in population.
#10 San Cristóbal Island
San Cristóbal Island ranks #10 on this list with 10.1 people per km².
- Country
- Ecuador
- Length
- 49 km
- Elevation
- 759 m
- Area
- 547 km²
Profile facts: Wikidata (CC0).
Source and method
Islands recorded in Wikidata, ranked by Population density. Only items Wikidata places in South America (directly or through their country) are included.
Source: Wikidata. Licence: CC0 1.0 (public domain). Retrieved: 2026-11-14.
Data: Wikidata (CC0)
Values are shown as published. Provider terms: Wikidata. All licences: Sources & licences.