Where Are Most Zoos Located? The Urban Imperative

The vast majority of zoos are situated in or near major urban areas. This is not accidental—it reflects three intertwined necessities:

1. Land Availability vs. Cost

Zoos require 20–200+ acres. While rural land is cheaper, large contiguous tracts near cities are scarce. Urban and suburban fringe sites (former estates, parks, brownfields) often become available through philanthropy or municipal acquisition.

2. Visitor Access and Revenue

Zoos depend on high attendance (1–3M+ visitors/year) for ticket sales, memberships, concessions, and donations. Proximity to millions of residents, schools, and tourists is existential. Public transit, highways, and airports amplify accessibility.

3. Infrastructure and Expertise

• Utilities (water, power, waste) for complex life-support systems.
• Veterinary specialists, research universities, conservation NGOs clustered in cities.
• Emergency services, construction/maintenance contractors.

Notable Urban Zoos

• Bronx Zoo (NYC), San Diego Zoo (Balboa Park), Lincoln Park Zoo (Chicago), Smithsonian's National Zoo (DC), London Zoo (Regent's Park), Berlin Zoo (Tiergarten), Singapore Zoo (Mandai), Taronga Zoo (Sydney Harbour).

Emerging Trend: "Rewilded" Suburban/Rural Sites

Some newer facilities (e.g., The Wilds in Ohio, Fossil Rim in Texas) use vast rural acreage for breeding herds, but they remain satellites of urban zoo networks, not replacements.

In short: zoos follow the people, because people fund the mission.