Size of Brasília: 5,802 km² (Federal District) — Planned Capital, Unique Layout
Brasília, Brazil's capital since 1960, is defined by its Federal District (Distrito Federal) boundaries — not a traditional municipal limit.
Area Breakdown
| Area | Size | Notes |
| Federal District (total) | 5,779.99 km² (2,231.66 sq mi) | Constitutional entity — like DC, not a state |
| Urbanized area (Plano Piloto + satellites) | ~400 km² (154 sq mi) | Where people actually live/work |
| Plano Piloto (original designed core) | ~47 km² (18 sq mi) | Airplane-shaped "Pilot Plan" by Lúcio Costa / Oscar Niemeyer |
| Rural / Conservation / Green belt | ~5,380 km² | Parque Nacional de Brasília, APAs, water protection |
Why So Large?
- Created ex nihilo (1956–60) on Goiás state territory
- Designed for 500K; now 3M+ in metro (DF + 12 GO municipalities = RIDE)
- Massive green buffer intentional: water security (Lake Paranoá), climate moderation, expansion reserve
- UNESCO World Heritage (1987) — only 20th-century city so designated
Urban Form = The "Airplane" (Cross)
- Asa Norte / Asa Sul (Wings) — residential superquadras (superblocks)
- Eixo Monumental (Fuselage) — government ministries, Congress, Supreme Court, cathedrals
- Rodoviária (Cockpit) — central bus terminal, commercial heart
- Lago Sul / Lago Norte — lakeside luxury neighborhoods
Comparison
- Federal District ≈ Delaware (US) (5,060 km²) or Trinidad (T&T) (4,768 km²)
- Urban core ≈ San Francisco (121 km²) or Paris intra-muros (105 km²) — but lower density
Brasília isn't a city that grew — it's a territory that was designed. The size is political, not organic.