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Sierra County, California Demographics 2026

Demographic data: ACS 2020–2024 five-year estimates. Sources and methodology

Sierra County, California has a population of 2,746, the 57th most populous county in California. The median household income is $63,355 and the median home value is $331,900. The poverty rate is 4.4%.

Sierra County Quick Facts

Population 2,74690% MOE ±239
Median Household Income $63,35590% MOE ±$21,034
Median Home Value $331,90090% MOE ±$47,477
Poverty Rate 4.4%90% MOE ±3.6 pts
Unemployment Rate 12.6%90% MOE ±6.4 pts
Median Age 54.7 years90% MOE ±6.7 years
Homeownership Rate 72.1%90% MOE ±8.8 pts
Affordability Ratio 5.2x
Bachelor's Degree+ 25.8%90% MOE ±8.1 pts
Adults 25+ with high school education or higher 92.5%
Cities/Places 10
Population 2,746 57th of 58
Median Income $63,355 36% lower than state
Poverty Rate 4.4%
Unemployment 12.6%

How Sierra County Changed

Change from the non-overlapping 2015–2019 ACS period to 2020–2024. Earlier dollar figures are adjusted to 2024 dollars; changes marked “no clear change” are within the combined 90% margins of error.

Metric2015–20192020–2024Change
Population3,0402,746-9.7%
Median household income$64,179$63,355No clear change (-1.3%)
Median home value¹$284,786$331,900No clear change (+16.5%)
¹ The Census Bureau changed its home-value inflation adjustment beginning with the 2022 ACS; interpret that comparison with additional caution.

Median Household Income

Sierra
$63,355
CA
$99,122
National
$80,734

Median Home Value

Sierra
$331,900
CA
$734,700
National
$332,700

Economy & Housing

Household Income Distribution

Under $25K 21.7%
$25K-$50K 15.8%
$50K-$100K 37.1%
$100K+ 25.5%
Detailed income brackets
Under $10K
1.6%
$10K-$15K
5.0%
$15K-$20K
7.5%
$20K-$25K
7.5%
$25K-$30K
3.0%
$30K-$35K
4.5%
$35K-$40K
1.1%
$40K-$45K
4.5%
$45K-$50K
2.6%
$50K-$60K
12.1%
$60K-$75K
8.4%
$75K-$100K
16.7%
$100K-$125K
8.2%
$125K-$150K
3.6%
$150K-$200K
3.6%
$200K+
10.1%

Employment

12.6% Unemployment Rate State: 6.6%|National: 5.2%
52.7% Labor Force Participation

Housing Overview

Owner 72.1%
Renter 27.9%
Affordability Index Expensive
5.2x home value to income ratio

People & Demographics

Age Distribution

Under 18
14.5%
18-34
10.2%
35-54
25.8%
55-74
34.3%
75+
15.3%

Race & Ethnicity

  • White: 86.0%
  • Black: 0.3%
  • Hispanic: 11.0%
  • Asian: 0.0%
  • Other: 2.1%

Diversity Index

25out of 100
Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 70 | National average: 61

Education

Educational Attainment (Adults 25+)

  • < HS: 7.5%
  • HS Diploma: 18.7%
  • Some College: 33.7%
  • Associate's: 14.3%
  • Bachelor's: 16.8%
  • Graduate+: 9.1%

Cities & Places in Sierra County

CityPopulationMedian IncomePovertyHome Value
Loyalton748$65,5564.7%$191,800
Sierra Brooks397N/A17.1%$333,100
Calpine356N/A0.0%$435,700
Sierraville351N/A0.6%N/A
Sierra City250$95,6963.2%$381,700
Downieville126N/A0.0%N/A
Goodyears Bar122N/A0.0%N/A
Verdi70N/A0.0%N/A
Pike34N/A11.8%N/A
Alleghany19N/A0.0%N/A

Population Overview

Sierra County is located in California with a total population of 2,746. It is the 57th most populous county out of 58 in California. The county encompasses 10 Census-designated places.

Age Demographics

The median age in Sierra County is 54.7 years. This is 44% higher than the state median of 37.9 years. Only 14.5% of residents are under 18, indicating fewer families with children. 15.3% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Sierra County is $63,355. This is 36% lower than the state median of $99,122. It is also 22% lower than the national median of $80,734. The poverty rate stands at 4.4%. This is 63% lower than the state poverty rate of 12.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 12.6%. This is 91% higher than the state rate of 6.6%. The median home value is $331,900. Housing costs are 55% lower than the state median of $734,700. The home-value-to-income ratio is 5.2x. 72.1% of occupied housing units are owner-occupied. This homeownership rate is 29% higher than the state average of 55.9%.

Race & Ethnicity

Sierra County has a predominantly White (non-Hispanic) population, comprising 86.0% of all residents. Hispanic or Latino residents account for 11.0%. The White (non-Hispanic) population is significantly higher than the state average (86.0% vs 33.8%). The Black or African American population (0.3%) is well below the state average of 5.2%. The Hispanic or Latino population (11.0%) is well below the state average of 40.2%.

Education

25.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 30% lower than the state rate of 37.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.5%.

Data Sources & Methodology

All figures for Sierra County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against California and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Sierra County, California?

Sierra County has a population of 2,746, making it the 57th most populous county in California.

What is the median income in Sierra County?

The median household income in Sierra County is $63,355 with a poverty rate of 4.4%.

How many cities are in Sierra County, California?

Sierra County contains 10 Census-designated places.