• county
  • FIPS 06051
  • Largest town: Mammoth Lakes

Mono County, California

Mono County had 12,991 residents in the Census Vintage 2024 estimate, on 3,048.9 square miles of land. It ranks 55th of 58 in California by population and 19th by land area.

Population
12,991
#55 of 58 in California · #2,220 in US
Area
3,048.9 sq mi
#19 of 58 in California · #169 in US
Density
4.3 / sq mi
#54 of 58 in California · #2,806 in US
Median household income
$82,973
#28 of 58 in California · #372 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Mono County within California. Pin: Sacramento.

Mono County population, land area and income

Mono County had 12,991 residents in the Census Vintage 2024 estimate, on 3,048.9 square miles of land. It ranks 55th of 58 in California by population and 19th by land area. That works out to 4.3 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in California has 187,274 residents, so Mono County has 7% of the typical county's population.

Its SAIPE 2023 median household income of $82,973 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

12,991

3144th1st

2220th of 3,144 (US)

Land area

3,049 sq mi

3144th1st

169th of 3,144 (US)

Density

4.3 / sq mi

3144th1st

2806th of 3,144 (US)

Median household income

$82,973

3143rd1st

372nd of 3,143 (US)

Rank within California (58)

Population

12,991

58th1st

55th of 58 (CA)

Land area

3,049 sq mi

58th1st

19th of 58 (CA)

Density

4.3 / sq mi

58th1st

54th of 58 (CA)

Median household income

$82,973

58th1st

28th of 58 (CA)

How Mono County's population changed since 2020

Mono County lost 234 residents between the July 2020 and July 2024 estimates, a drop of 1.8%. That ranks 37th of 58 in California for growth. The median California county changed by -0.6%, and the state as a whole by -0.2%.

Since the April 2020 estimates base, Mono County recorded 481 births and 247 deaths, a natural change of +234. Net international migration added +566 and net domestic migration, people moving to or from other US counties, came to -1,028. The largest single component was domestic migration, which removed 1,028 people.

13.2k202013.3k202113.1k202213.2k202313.0k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
481
Deaths
247
Net international migration
+566
Net domestic migration
-1,028
Change, July 2023 to July 2024
-216

Where Mono County is

The Census internal point of Mono County is at 37.915800, -118.875200. It sits in UTM zone 11N. The map shades California's 58 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Mono County outlined. Dots are towns of 1,000+ people with residents in it.

Internal point

Decimal
37.915800, -118.875200
DMS
37°54'56.88"N 118°52'30.72"W
UTM
11N 335167.1E 4198130.8N
Geohash
9qerwymex
Plus code
8593W48F+8W

Towns in Mono County

One incorporated place of 1,000+ people has residents in Mono County, 7,124 people together, or 55% of the county. Each figure counts only the part of the town inside Mono County; towns marked "part" extend into another county. The largest is Mammoth Lakes with 7,124.

  1. 01Mammoth Lakes7,124
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Mono County

The Census 2024 county adjacency file lists 9 neighbors for Mono County, including 4 across a state line. The most populous is Fresno County, CA, with 1,024,125 residents. Distances run between Census internal points in a straight line.

Distance to Sacramento and the nearest big city

Sacramento is 149.3 miles WNW of Mono County's internal point in a straight line. The nearest place of 100,000 or more is Clovis, CA (population 127,993), 87.2 miles away.

Mono County FIPS code

The FIPS code of Mono County is 06051: state code 06 for California plus county code 051. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $82,973.

Questions people ask

What is the population of Mono County, California?

The Census Vintage 2024 estimate for July 1, 2024 is 12,991. That is down 234 people (1.8%) from the July 2020 estimate of 13,225.

What is the FIPS code of Mono County?

06051. The first two digits (06) are California; the last three (051) identify the county.

What is the largest town in Mono County?

Mammoth Lakes, with 7,124 residents inside Mono County in 2024.

Which counties border Mono County?

9 county-equivalents border it in the Census 2024 adjacency file: Fresno County, CA; Madera County, CA; Lyon County, NV; Tuolumne County, CA; Douglas County, NV; Inyo County, CA; Mineral County, NV; Alpine County, CA; Esmeralda County, NV.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.