List of islands by population density Most densely populated islands (over 1,000 people per km²) Most densely populated islands (over 1,000 people per km²)

| Island | Country | Population | Area_km² | Density_per_km² |
|---|---|---|---|---|
| Governador Island (Rio de Janeiro) | Brazil | 212,547 (2010) | 40.81 | 5209 |
| Lindau | Germany | 3,000 (2008) | 0.68 | 4412 |
| Nuns` Island ( Montréal ) | Canada | 16,210 (2006) | 3.74 | 4334 |
| Island of Montreal (Montréal) | Canada | 1,854,442 (2006) | 499 | 3716 |
| Yeouido | South Korea | 31,000 (2006) | 8.4 | 3700 |
| Long Beach Barrier Island | United States | 39,282 (2010) | 11.7 | 3350 |
| Lidingö (outside Stockholm) | Sweden | 44,000 (2011) | 12.54 | 3300 |
| Staten Island (New York City) | United States | 468,730 (2010) | 151.5 | 3093 |
| Tammisalo (Helsinki) | Finland | 2,183 (2005) | 0.73 | 2990 |
| Penang Island | Malaysia | 860,000 (2010) | 293 | 2935 |
| Kotlin Island (including Kronstadt ) | Russia | 42,800 (2006) | 16 | 2675 |
| Majuro | Marshall Islands | 25,400 (2004) | 9.7 | 2619 |
| San Andrés | Colombia | 67,912 (2007) | 26 | 2612 |