Zoological Society Of Philadelphia: $43.4M Revenue, $42.2M Expenses

Zoological Society Of Philadelphia earns a C on the efficiency rubric — the median bucket on the NonprofitTruth scale, indicating performance close to the national midpoint across financial reserves, officer compensation, and revenue consistency. Composite score: 62/100.

At $43.4M in 2024 revenue, Zoological Society Of Philadelphia sits in the mid-range of the U.S. nonprofit distribution. Most organizations of this scale operate regionally or focus on a single program area. Operating reserves at Zoological Society Of Philadelphia are adequate: the balance sheet covers a reasonable share of annual expenses, though not a deep multi-year cushion.

Five-year revenue has grown modestly. Zoological Society Of Philadelphia is not expanding rapidly but is not shrinking either; the trajectory is consistent with stable donor and grant relationships. Compensation for current officers and key employees runs $1.3M against $43.4M in revenue — within the band third-party charity raters typically consider reasonable for an organization of this size and complexity. This is an aggregate across all listed officers, not a single executive's salary. Zoological Society Of Philadelphia works in Environment & Animals — environmental, conservation, animal-welfare, and natural-resources programs. The sector spans large international conservation groups and small local land trusts; the financial profile varies accordingly.