Source: libre de droit / iStock via Getty Images
50. Oldham County, Texas
> Net population change, 2020-2021: -2.5% (-44 people)
> Net change from migration: -43 people
> Natural population change: None
> Total population, 2021: 1,717
> Largest place in county: Vega
Source: Courtesy of U.S. Air Force
49. Lake and Peninsula Borough, Alaska
> Net population change, 2020-2021: -2.6% (-38 people)
> Net change from migration: -42 people
> Natural population change: +4 people
> Total population, 2021: 1,416
> Largest place in county: Kokhanok
24/7 Wall St.
48. Bowman County, North Dakota
> Net population change, 2020-2021: -2.6% (-78 people)
> Net change from migration: -71 people
> Natural population change: -6 people
> Total population, 2021: 2,903
> Largest place in county: Bowman
Source: DenisTangneyJr / iStock via Getty Images
47. Ector County, Texas
> Net population change, 2020-2021: -2.6% (-4,376 people)
> Net change from migration: -5,878 people
> Natural population change: +1,592 people
> Total population, 2021: 161,091
> Largest place in county: Odessa
Source: Roberto Galan / iStock Editorial via Getty Images
46. Alexander County, Illinois
> Net population change, 2020-2021: -2.7% (-138 people)
> Net change from migration: -84 people
> Natural population change: -52 people
> Total population, 2021: 5,030
> Largest place in county: Cairo
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