RANKING · 2000 CENSUS · 29 SHOWN OF 29

Most population lost, Utah counties · 2000

Utah counties that lost the most residents from the 1990 census to 2000, by raw count of people rather than percentage. This list covers the 29 counties in Utah that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS –

01Piute County, UTUT1,509+158–

02Carbon County, UTUT20,680+194–

03Daggett County, UTUT934+231–

04Rich County, UTUT2,687+236–

05Wayne County, UTUT2,587+332–

06Emery County, UTUT10,177+528–

07Garfield County, UTUT5,256+755–

08Kane County, UTUT8,597+877–

09Millard County, UTUT14,057+1,072–

10Beaver County, UTUT7,301+1,240–

11Morgan County, UTUT13,383+1,601–

12Duchesne County, UTUT20,856+1,726–

13San Juan County, UTUT14,542+1,792–

14Grand County, UTUT9,790+1,865–

15Juab County, UTUT13,567+2,421–

16Uintah County, UTUT38,278+3,013–

17Sevier County, UTUT22,827+3,411–

18Wasatch County, UTUT38,514+5,126–

19Box Elder County, UTUT65,320+6,260–

20Sanpete County, UTUT31,453+6,504–

21Iron County, UTUT67,141+12,990–

22Tooele County, UTUT87,461+14,134–

23Summit County, UTUT43,141+14,218–

24Cache County, UTUT145,000+21,208–

25Weber County, UTUT278,174+38,203–

26Washington County, UTUT213,670+41,794–

27Davis County, UTUT381,227+51,053–

28Utah County, UTUT759,859+104,946–

29Salt Lake County, UTUT1,220,916+172,431–

SHOWING 1–29 OF 29

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS