Cache County, Utah Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 6th-largest in Utah
The population of Cache County, Utah is 137,031 as of the 2023 American Community Survey, making it the 6th-largest county in Utah. The median household income is $78,292, the median home value is $392,800, and the median age is 25.9.
The population of Cache County has grown 28.3% since 2010 (113,388 → 145,487), a +1.80% annualized rate.
137,031
Population
+1.80%
Annual growth
118
People / sq mi
$78,292
Median Income
$392,800
Median Home Value
Cache County covers 1,165 sq mi of land at 117.7 people per square mile.
About Cache County, UT
Age is the most distinctive thing about Cache County: a median age of 25.9, younger than the national median. Cache County is a county in Utah with a population of 137,031. That makes it one of the ten largest counties in Utah in the country, at #6 by population.
Households take in a median $78,292, comfortably near the US median of $78,538. About 7.9% of residents live below the federal poverty level, below the national 12.4%. Home prices are steep, with the typical property valued at $392,800, with typical rent around $1,137.
The population is unusually well-credentialed for US counties — 40.4% of adults have a four-year degree, above the national 35.0%. A solid 12.9% of workers are based at home, below the national 14.0%, and the average commute runs about 17 minutes each way.
Cache County Population History (2010-2024)
The county of Cache County had a population of 113,388 in 2010 and 145,487 in 2024, a 28.3% growth over 14 years. The peak was 145,487 in 2024. Average annual growth rate: 1.80%.
145,487
Population (2024)
113,388
Population (2010)
145,487
Peak (2024)
1.80%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 113,388 |
| 2011 | 114,800 |
| 2012 | 115,925 |
| 2013 | 117,070 |
| 2014 | 117,956 |
| 2015 | 119,777 |
| 2016 | 122,347 |
| 2017 | 124,448 |
| 2018 | 126,574 |
| 2019 | 128,309 |
| 2020 | 133,629 |
| 2021 | 137,470 |
| 2022 | 140,450 |
| 2023 | 143,193 |
| 2024 | 145,487 |
Race & Ethnicity
| White | 85.4% |
| Black or African American | 0.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.1% |
| Two or More Races | 0.0% |
Age & Sex
25.9
Median Age
49.9%
Female
50.1%
Male
9.8%
Age 65+
Age Distribution
Children (under 15): 24.5% · Seniors (65+): 9.8%
Income & Poverty
| Median household income | $78,292$-13,458 vs state |
| Mean household income | $100,825 |
| Per-capita income | $32,080 |
| Poverty rate | 7.9%+2.2% vs state |
| Unemployment rate | 1.7% |
| Employment-to-population | 68.5% |
Top Industries by Employment
The largest employment sector in Cache County is professional & business services, accounting for 24.2% of workers.
How residents commute
2.1%
Drive alone
3.9%
Carpool
69.6%
Public transit
12.9%
Work from home
17.2 min
Avg commute
Housing
$392,800$-62,200 vs state
Median home value
$1,137
Median rent
63.6%
Homeownership rate
45,454
Total housing units
94.9%
Occupied
5.1%
Vacant
36.4%
Renter-occupied
Social & access
93.2%
With health insurance
97.8%
With broadband internet
28.4%
Foreign-born
3.6%
Veterans (18+)
8.7%
With a disability
88.7%
Speak language other than English at home
Education
94.0%
High School+
40.4%
Bachelor's+
Largest cities in Utah
Other counties in Utah
Part of Utah
Metro areas in Utah
County rankings
Frequently Asked Questions
Cache County, Utah has a population of 137,031 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 6th-largest county in Utah. Population density is 118 people per square mile.
The population of Cache County has grown 28.3% since 2010 (113,388 → 145,487), a +1.80% annualized rate.
The median household income in Cache County, Utah is $78,292, with mean (average) household income of $100,825 and per-capita income of $32,080. 7.9% of residents live below the federal poverty level.
In Cache County, the largest racial and ethnic groups are White (85.4%), Hispanic or Latino (2.1%), Black or African American (0.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Cache County, Utah is 25.9 years. Residents are 49.9% female and 50.1% male.
The median home value in Cache County is $392,800 and median monthly rent is $1,137. 63.6% of occupied housing units are owner-occupied. The county has 45,454 total housing units, 5.1% of which are vacant.
The largest employment sector in Cache County, Utah is professional, scientific, and management services, employing 24.2% of workers. The unemployment rate is 1.7%.
Salt Lake City is among the largest cities associated with Cache County, Utah, with a population of 203,888.
Cache County, UT Climate
Cache County, UT has an average annual temperature of 3.6°C (38°F) and receives about 463 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
3.6°C
Avg Temp
463
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -6° / 21° | 39 mm |
| February | -5° / 23° | 37 mm |
| March | -2° / 28° | 40 mm |
| April | 1° / 34° | 42 mm |
| May | 6° / 43° | 48 mm |
| June | 11° / 51° | 36 mm |
| July | 16° / 60° | 30 mm |
| August | 15° / 60° | 32 mm |
| September | 11° / 51° | 38 mm |
| October | 5° / 41° | 40 mm |
| November | -2° / 29° | 42 mm |
| December | -6° / 21° | 39 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Cache County, UT
The most comfortable months to visit Cache County, UT are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 24°C high). The coldest is January (near -11°C low). May is usually the wettest month.
Where to stay near Cache County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.