Glenn County, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 48th-largest in California
The population of Glenn County, California is 28,623 as of the 2023 American Community Survey, making it the 48th-largest county in California. The median household income is $70,487, the median home value is $338,400, and the median age is 35.9.
The population of Glenn County has grown 0.6% since 2010 (28,125 → 28,304), a +0.05% annualized rate.
28,623
Population
+0.05%
Annual growth
22
People / sq mi
$70,487
Median Income
$338,400
Median Home Value
Glenn County covers 1,314 sq mi of land at 21.8 people per square mile.
About Glenn County, CA
Glenn County is distinguished by its share of foreign-born residents, 12.2% of the population. With 28,623 residents, Glenn County is a county in California. It ranks #48 among counties in California by population.
Median household income is $70,487, below the US median of $78,538. Poverty runs at 9.8%, below the national 12.4%. Home values run above average at $338,400, with typical rent around $1,103.
Degree attainment is on the lower side for US counties: 16.5% of adults hold a bachelor’s degree, below the national 35.0%. Around 7.5% of workers work from home, below the national 14.0%, and the average commute runs about 22 minutes each way.
Glenn County Population History (2010-2024)
The county of Glenn County had a population of 28,125 in 2010 and 28,304 in 2024, a 0.6% growth over 14 years. The peak was 28,889 in 2020. Average annual growth rate: 0.05%.
28,304
Population (2024)
28,125
Population (2010)
28,889
Peak (2020)
0.05%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 28,125 |
| 2011 | 28,131 |
| 2012 | 27,836 |
| 2013 | 27,784 |
| 2014 | 27,802 |
| 2015 | 27,723 |
| 2016 | 27,796 |
| 2017 | 27,876 |
| 2018 | 27,899 |
| 2019 | 28,445 |
| 2020 | 28,889 |
| 2021 | 28,714 |
| 2022 | 28,371 |
| 2023 | 28,190 |
| 2024 | 28,304 |
Race & Ethnicity
| White | 59.8% |
| Black or African American | 0.6% |
| Asian | 0.1% |
| Hispanic or Latino (any race) | 3.8% |
| Two or More Races | 0.0% |
Age & Sex
35.9
Median Age
48.7%
Female
51.3%
Male
16.9%
Age 65+
Age Distribution
Children (under 15): 21.4% · Seniors (65+): 16.9%
Income & Poverty
| Median household income | $70,487$-25,847 vs state |
| Mean household income | $86,148 |
| Per-capita income | $30,697 |
| Poverty rate | 9.8%+1.4% vs state |
| Unemployment rate | 4.6% |
| Employment-to-population | 58.4% |
Top Industries by Employment
The largest employment sector in Glenn County is professional & business services, accounting for 20.5% of workers.
How residents commute
0.0%
Drive alone
1.9%
Carpool
76.0%
Public transit
7.5%
Work from home
22.4 min
Avg commute
Housing
$338,400$-357,000 vs state
Median home value
$1,103
Median rent
63.1%
Homeownership rate
10,973
Total housing units
89.0%
Occupied
11.0%
Vacant
36.9%
Renter-occupied
Social & access
91.1%
With health insurance
94.6%
With broadband internet
12.2%
Foreign-born
5.7%
Veterans (18+)
13.2%
With a disability
62.1%
Speak language other than English at home
Education
80.3%
High School+
16.5%
Bachelor's+
Largest cities in California
Other counties in California
Part of California
Metro areas in California
County rankings
Frequently Asked Questions
Glenn County, California has a population of 28,623 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 48th-largest county in California. Population density is 22 people per square mile.
The population of Glenn County has grown 0.6% since 2010 (28,125 → 28,304), a +0.05% annualized rate.
The median household income in Glenn County, California is $70,487, with mean (average) household income of $86,148 and per-capita income of $30,697. 9.8% of residents live below the federal poverty level.
In Glenn County, the largest racial and ethnic groups are White (59.8%), Hispanic or Latino (3.8%), Black or African American (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Glenn County, California is 35.9 years. Residents are 48.7% female and 51.3% male.
The median home value in Glenn County is $338,400 and median monthly rent is $1,103. 63.1% of occupied housing units are owner-occupied. The county has 10,973 total housing units, 11.0% of which are vacant.
The largest employment sector in Glenn County, California is professional, scientific, and management services, employing 20.5% of workers. The unemployment rate is 4.6%.
Los Angeles is among the largest cities associated with Glenn County, California, with a population of 3,857,897.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.