Mono County, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 55th-largest in California
The population of Mono County, California is 13,169 as of the 2023 American Community Survey, making it the 55th-largest county in California. The median household income is $86,953, the median home value is $514,300, and the median age is 40.3.
The population of Mono County has declined 8.9% since 2010 (14,256 → 12,991), a -0.66% annualized rate.
13,169
Population
-0.66%
Annual growth
4
People / sq mi
$86,953
Median Income
$514,300
Median Home Value
Mono County covers 3,049 sq mi of land at 4.3 people per square mile.
About Mono County, CA
In Mono County, home values do the distinguishing — a median of $514,300. With 13,169 residents, Mono County is a county in California.
Households here are among the highest-earning of all US counties: median income is $86,953, above the US median of $78,538. Poverty is relatively low for US counties at 6.7%, below the national 12.4%. Real estate commands a premium here — a median home value of $514,300, with typical rent around $1,593.
Educational attainment is on the higher side for US counties — 34.3% of adults hold a four-year degree, near the national 35.0%. Working from home is common here: 16.2% of workers do so, above the national 14.0%, and the average commute runs about 18 minutes each way.
High housing values reframe the income picture in Mono County — even solid earnings stretch less against home prices and rents at this level.
Mono County Population History (2010-2024)
The county of Mono County had a population of 14,256 in 2010 and 12,991 in 2024, a -8.9% growth over 14 years. The peak was 14,450 in 2019. Average annual growth rate: -0.63%.
12,991
Population (2024)
14,256
Population (2010)
14,450
Peak (2019)
-0.63%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 14,256 |
| 2011 | 14,424 |
| 2012 | 14,328 |
| 2013 | 14,064 |
| 2014 | 14,130 |
| 2015 | 14,074 |
| 2016 | 14,256 |
| 2017 | 14,333 |
| 2018 | 14,400 |
| 2019 | 14,450 |
| 2020 | 13,225 |
| 2021 | 13,263 |
| 2022 | 13,055 |
| 2023 | 13,207 |
| 2024 | 12,991 |
Race & Ethnicity
| White | 74.1% |
| Black or African American | 0.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 6.8% |
| Two or More Races | 0.0% |
Age & Sex
40.3
Median Age
44.1%
Female
55.9%
Male
16.5%
Age 65+
Age Distribution
Children (under 15): 15.4% · Seniors (65+): 16.5%
Income & Poverty
| Median household income | $86,953$-9,381 vs state |
| Mean household income | $115,814 |
| Per-capita income | $49,271 |
| Poverty rate | 6.7%-1.7% vs state |
| Unemployment rate | 1.4% |
| Employment-to-population | 68.3% |
Top Industries by Employment
The largest employment sector in Mono County is education & health care, accounting for 27.1% of workers.
How residents commute
1.6%
Drive alone
7.0%
Carpool
66.4%
Public transit
16.2%
Work from home
17.5 min
Avg commute
Housing
$514,300$-181,100 vs state
Median home value
$1,593
Median rent
69.2%
Homeownership rate
13,632
Total housing units
40.5%
Occupied
59.5%
Vacant
30.8%
Renter-occupied
Social & access
88.4%
With health insurance
99.0%
With broadband internet
23.3%
Foreign-born
6.0%
Veterans (18+)
7.7%
With a disability
77.8%
Speak language other than English at home
Education
89.6%
High School+
34.3%
Bachelor's+
Largest cities in California
Other counties in California
Part of California
Metro areas in California
County rankings
Frequently Asked Questions
Mono County, California has a population of 13,169 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 55th-largest county in California. Population density is 4 people per square mile.
The population of Mono County has declined 8.9% since 2010 (14,256 → 12,991), a -0.66% annualized rate.
The median household income in Mono County, California is $86,953, with mean (average) household income of $115,814 and per-capita income of $49,271. 6.7% of residents live below the federal poverty level.
In Mono County, the largest racial and ethnic groups are White (74.1%), Hispanic or Latino (6.8%), Black or African American (0.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Mono County, California is 40.3 years. Residents are 44.1% female and 55.9% male.
The median home value in Mono County is $514,300 and median monthly rent is $1,593. 69.2% of occupied housing units are owner-occupied. The county has 13,632 total housing units, 59.5% of which are vacant.
The largest employment sector in Mono County, California is education, health care, and social assistance, employing 27.1% of workers. The unemployment rate is 1.4%.
Los Angeles is among the largest cities associated with Mono County, California, with a population of 3,857,897.
Mono County, CA Climate
Mono County, CA has an average annual temperature of 5.4°C (42°F) and receives about 370 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
5.4°C
Avg Temp
370
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -3° / 26° | 59 mm |
| February | -3° / 27° | 50 mm |
| March | 0° / 31° | 43 mm |
| April | 3° / 37° | 22 mm |
| May | 7° / 45° | 17 mm |
| June | 11° / 53° | 14 mm |
| July | 16° / 61° | 15 mm |
| August | 16° / 61° | 16 mm |
| September | 12° / 54° | 19 mm |
| October | 7° / 44° | 18 mm |
| November | 2° / 35° | 46 mm |
| December | -3° / 27° | 51 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 Mono County, CA
The most comfortable months to visit Mono County, CA are typically August, July and September, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 27°C high). The coldest is January (near -12°C low). January is usually the wettest month.
Where to stay near Mono County
Visiting or relocating to Mono County, CA? Compare hotels and short-term rentals across the county — live availability and prices.
Top-rated places to stay near Mono County
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a move to Mono County?
Get relocation and cost-of-living insights for Mono County, CA by email. No spam, unsubscribe anytime.
More from California
Population 9,848,406
Population 3,282,782
Population 3,164,063
Population 2,449,909
Full rankings of California counties
Statewide data for California
Population, race, income, age, and trends across California
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.