Doesn't look like it. What's your source? https://www.statista.com/statistics/200463/us-poverty-rate-s...
The growth is not dramatic, but steady over time:
https://institute.bankofamerica.com/content/dam/economic-ins...
This is more thoughtful than some "paycheck to paycheck" discourse, put objectively well-off people definitely put themselves into this picture by signing up for more house, more car, or more credit card spending than even the relatively high level they can afford.