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 a county in California with a population of 28,623. It ranks #48 among counties in California by population. The median age is 35.9, younger than the national median. The population is 51.3% male and 48.7% female.
The median household income in Glenn County is $70,487, below the US median of $74,580. 9.8% of residents live below the federal poverty level. Home values sit at a median of $338,400, with monthly rent averaging $1,103. The homeownership rate of 63.1% is close to the national rate of 64.8%.
Educational attainment in Glenn County reflects 16.5% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 7.5% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 22.4 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+
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Part of California
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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.