City in Cache County, Utah · 6 sq mi · 2,575 people per sq mi
15,466 people live in Smithfield. The typical household earns $97,537, and the median resident is 28.7 years old.
2026 projection
From 13,571 in 2020
Poverty rate 3.6%
Men 28.1 · Women 29.5
1870–2026
15,466
2026 projection
14% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1870–2026
15,466
2026 projection
14% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 15,466 | +313 | 2.07% |
|---|---|---|---|
| 2025 | 15,153 | +223 | 1.49% |
| 2024 | 14,930 | +131 | 0.89% |
| 2023 | 14,799 | +350 | 2.42% |
| 2022 | 14,449 | +375 | 2.66% |
| 2021 | 14,074 | +503 | 3.71% |
| 2020 | 13,571 | +186 | 1.39% |
| 2019 | 13,385 | +410 | 3.16% |
| 2018 | 12,975 | +538 | 4.33% |
| 2017 | 12,437 | +438 | 3.65% |
Showing 10 of 31 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Smithfield is growing faster than Cache County, Utah, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 144 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 28 residents
69% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 69% | 69% | 69% |
| Never married | 22% | 24% | 20% |
| Divorced | 5% | 5% | 5% |
| Widowed | 3% | 1% | 4% |
| Separated | 1% | <1% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources