What Was the Population of the US on July 4th, 1776?

The US population on July 4th, 1776 (Independence Day) was less than 1% of
what it is today.

At the time of the signing of the US Declaration of Independence in 1776,
the US population was 2.5 million compared to over 315 million today. This
means that it was less than 1% of what it is now. As of 2014, the US
population is growing at 0.7% per year.
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