← PopcornSurvey.com
Food · Facts & sources
Popcorn facts & stats
5 sourced facts about popcorn, each with the context behind the number. 4 more are in today's round and appear here after it closes.
The basics
About how many quarts of popped popcorn do Americans eat each year?
Answersome 14 billion quarts
The estimate is based on 2016–2020 sales. Popcorn is a whole grain made of three parts: the germ, endosperm and pericarp (hull).
Source: The Popcorn Board, Corny Facts (2020) popcorn.org
Going deeper
What moisture content does a popcorn kernel need in order to pop?
Answer13.5–14% moisture
When heated, that trapped water turns to steam; kernels are dried to about 14% after harvest for ideal popping.
Source: The Popcorn Board, Corny Facts popcorn.org
At what internal temperature do most popcorn kernels pop?
Answer400–460°F
As the kernel heats, the starch inside softens like gelatin and the moisture vaporizes until the hull ruptures.
Source: The Popcorn Board, From Seed to Snack popcorn.org
Expert level
How much pressure builds up inside a popcorn kernel before it bursts?
Answer135 pounds per square inch
Then the hull ruptures, and the gelatinized starch spills out and cools into the familiar popcorn shape.
Source: The Popcorn Board, From Seed to Snack popcorn.org
About how many popcorn seeds do farmers plant per acre?
Answernearly 28,000 seeds per acre
Seeds are planted about 1½ inches deep and 6 inches apart each spring, and sprout from the soil in about 10 days.
Source: The Popcorn Board, From Seed to Snack popcorn.org
Think you'd have guessed them?Today's round is four stats like these plus one opinion poll. Your streak and level follow you to every site.Play today's round