The U.S. Census Bureau is spending tens of millions of dollars on hundreds of digital ads, TV commercials, radio spots, billboards and print ads in 13 languages.
The goal is to make sure every household responds to the 2020 census.
Census Bureau officials said Tuesday that they expect the media campaign to reach 99.9% of households.
The once-a-decade head count will help determine how $1.5 trillion in federal spending gets distributed and how many congressional seats each state gets.
The court starts next week in rural Alaska, but the rest of the country won't be able to start answering the questionnaire until mid-March.