HS 100590

Corn (Maize), Other Than Seed

U.S. imports of corn (maize), other than seed (HS 100590) totaled $25.0M in April 2026, traded with 21 countries.

Last updated: April 2026 data

Yellow dent corn dominates the US tariff schedule under this heading, with lines distinguishing U.S. No. 1 (1005902020), No. 2 (1005902030), and No. 3 (1005902035) grades, plus certified organic (1005902015), unpopped popcorn (1005904040/1005904049), white corn (1005904055), and residual categories. Grade classification at entry is critical because the U.S. grade standard directly determines which 10-digit line applies, affecting duty treatment and quota eligibility. Canada leads US imports under this heading, with Argentina and Brazil also significant sources, making hemisphere-wide crop cycles a key factor in supply timing and pricing.

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Exports

$1.7B

Imports: $25.0M to 21 countries

Surplus of $1.7B (net exporter)

Trade balance: surplus of $1.7B (net exporter)

YTD: $77.6M imported (April 2026)

1.2K shipments/month

Top Import Sources

View all

1TURKEY$11.7M
47.0%
2

Import Trend (12 months)

Monthly import values over time

Geographic Breakdown

RICE, SEMI- OR WHOLLY MILLED, POLISHED ETC OR NOT

HS 100630

$88.1M

WHEAT AND MESLIN, NESOI

HS 100199

$30.4M

OATS, NESOI

HS 100490

$26.3M

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Frequently Asked Questions

How does USDA grade affect classification of imported yellow dent corn?

The US tariff schedule assigns separate 10-digit lines to U.S. No. 1, No. 2, and No. 3 yellow dent corn. Importers must obtain official grade certification to support the declared HTS line; corn that does not meet a named grade falls into the NESOI residual lines.

Is unpopped popcorn classified separately from other non-seed corn?

Yes. Unpopped popcorn has its own dedicated lines (1005904040 and 1005904049) distinct from yellow dent and white corn lines, so the variety must be identified on entry documentation to avoid misclassification.