6th most populous of 29
With 145,487 residents in 2024, Cache County ranks 6th by population among Utah's 29 counties and is home to 4.2% of the state's residents.

Cache County has the lowest homeownership rate in Utah (63.7%) and the 2nd youngest population (median age 26.2).
Cache County is home to 145,487 people (2024 estimate) on 1,165 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.
Pick an indicator to see its long-run evolution.
U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 145,487 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 112,656 | 2010 · U.S. Census Bureau |
| Population, 2000 | 91,861 | July 1, 2000 · Census intercensal |
| Change since 2000 | +58.4% | 2000–2024 · Census |
| International migration | +1,109 | 2024 · Census Vintage 2024 |
| Domestic migration | −185 | 2024 · Census Vintage 2024 |
| Birth rate | 14.8 per 1,000 | 2024 · calculated |
| Death rate | 5.4 per 1,000 | 2024 · calculated |
| Population rank in Utah | 6th of 29 | 2024 · calculated |
| Per capita personal income | $53,880 | BEA, 2024 · official |
| Gross domestic product | $9.1 billion | BEA, current dollars, 2024 · official |
| Median household income | $81,665 | ACS 2020–2024 5-year · official |
| Poverty rate | 12.0% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 42.2% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 6.3% | ACS 2020–2024 5-year · official |
| Median home value | $444,400 | ACS 2020–2024 5-year · official |
| Median gross rent | $1,213/month | ACS 2020–2024 5-year · official |
| Median age | 26.2 years | ACS 2020–2024 5-year · official |
| Households | 44,439 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 63.7% | ACS 2020–2024 5-year · official |
Comparable indicators for Cache County, Utah and the United States.
| Indicator | County | Utah | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | +9.3% | +7.1% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 14.8 | 13.0 | 10.6 | 2024 |
| Death rate (per 1,000) | 5.4 | 6.2 | 9.1 | 2024 |
| Net migration rate (per 1,000) | 6.4 | 10.4 | 8.2 | 2024 |
| Population density (/mi²) | 124.9 | 42.4 | 96.3 | 2024 |
| Per capita personal income | $53,880 | $67,333 | $73,204 | BEA, 2024 |
| Median household income | $81,665 | $95,166 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 12.0% | 8.5% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 42.2% | 37.7% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 6.3% | 8.9% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $444,400 | $489,400 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $1,213/month | $1,496/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 26.2 years | 32.0 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 63.7% | 70.2% | 65.2% | ACS 2020–2024 5-year |
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With 145,487 residents in 2024, Cache County ranks 6th by population among Utah's 29 counties and is home to 4.2% of the state's residents.
Its population went from 91,861 in 2000 to 145,487 in 2024, a change of +58.4%, compared with +56.1% for Utah as a whole.
In the year to July 2024 the county recorded 2,152 births and 789 deaths, so births outnumbered deaths by 1,363.
Annual Census estimates since 2000 put the county's highest population in 2024, at 145,487.
Cache County has about 124.9 residents per square mile of land, ranking 5th of 29 counties; Utah averages 42.4.
With a median household income of $81,665 (ACS 2020–2024 5-year), the county ranks 11th of 29 Utah counties; the state median is $95,166.
Its economy produced $9.1 billion of GDP in 2024 (BEA), 6th largest among 29 Utah counties.
Real GDP grew 3.9% in 2024, adjusted for inflation (BEA, chained 2017 dollars).