Bachelor's · Princeton, New Jersey

Is Mechanical Engineering at Princeton University worth it?

Low confidence Low confidence: fewer than 40 graduates behind the earnings figures.

The verdict · all families, in-state, half paid with loans

Pays back fast: graduates typically recover the cost in about 0.6 years.

Earnings 1 year after graduating: Not enough graduates to report; Treasury AY2020-21, AY2021-22 pooled earnings cohort measured in CY2022, CY2023, inflation adjusted to 2024 dollars
Earnings 4 years after graduating: $124,520; Treasury AY2017-2018, AY2018-2019 pooled earnings cohort measured in CY2022, CY2023, inflation adjusted to 2024 dollars
Typical federal debt at graduation: Not enough borrowers to report; NSLDS pooled AY2022-23, AY2023-24 cohort
Net cost to graduate, all families: $33k (likely $33k – $43k); AcadYr 2024-25, reported in IPEDS DCY2025-26
Earnings bump, year 4: $84k a year vs high-school graduates aged 25–34 in NJ; 2023 ACS 5-year pooled, adjusted to 2024 dollars
Payback: 0.6 years (likely 0.4–0.9); Bump vs net cost plus loan interest
10-year net return: $644k (likely $419k – $888k); Today's dollars
20-year net return: $1.59M (likely $1.13M – $2.11M); Today's dollars
Odds of finishing (school-wide): 97%; Fall 2019 or AcadYr 2019-20 cohort (differs by institutional calendar), reported in IPEDS DCY2025-26