Sonoma County Library librarian salary, 2025

Sonoma County Library is a joint powers authority in Sonoma County: a public agency that two or more public agencies set up by agreement to run a shared service.1 71 people worked as librarians for Sonoma County Library in 2025. Those who worked the full year earned an average of $91,231.

What is the average librarian salary at Sonoma County Library?

Official pay range2

$77,314 to $143,354

from the lowest entry salary to the top of the highest librarian title

Average total pay, full-year librarians2

$91,231

average base pay $90,741

Based on the 58 of 71 librarians who worked the full year.

Most of Sonoma County Library's librarians (45 of 71) hold the title Librarian II, with an official range of $81,203 to $101,421. Those who worked the full year earned an average of $89,524, within the range.

Median total pay
$91,248
the middle librarian: half earned more, half less
Overtime
$0
average per full-year librarian
Starting salary
$77,314
bottom of the Librarian I range
Average pay rank
104th
of 134 California employers

What does each librarian title at Sonoma County Library pay?

Each bar is the official range for one title, lowest first. The dot marks the average total pay of full-year staff in that title, where at least 5 people stand behind it.2

  1. Librarian I$77,314 to $96,574 · 14 people
    $76,629
  2. Librarian II$81,203 to $101,421 · 45 people
    $89,524
  3. Librarian III$94,245 to $117,707 · 10 people
    $105,968
  4. Technology Librarian$94,245 to $117,707 · fewer than 5 people
    Fewer than 5
  5. Librarian IV$114,795 to $143,354 · fewer than 5 people
    Fewer than 5

official range average total pay, full year. "Fewer than 5" means too few full-year people in that title to show.

Library assistant pay at Sonoma County Library

Counted on their own, kept out of the librarian figures on this page. Each group's name leads to its statewide overview. Range: the middle reported bottom and top of each group's official ranges. Pay: average total pay of full-year staff, overtime included.2

Library staffPeopleOfficial rangeAverage total pay
Librarians71$77,314 to $143,354$91,231
Library assistants95$58,947 to $73,590$67,071

Full-year library assistants averaged $67,071, $24,160 less than librarians.

Does Sonoma County Library pay librarians more than other employers in Sonoma County?

Average total pay of full-year librarians: Sonoma County Library next to every employer in the county together, and the whole state.2

Full-year librarians at Sonoma County Library earned $6,603 less than the Sonoma County average and $16,801 less than the California average.

Average librarian pay in Sonoma County compared to nearby counties

Average total pay of full-year librarians across all employers in each county that borders Sonoma County, and how much more or less it pays.2

Sonoma County Shades match the state map.

Where does Sonoma County Library rank among California employers?

Every employer with at least 5 full-year librarians, by average total pay.2

All 134 California employers

Sonoma County Library ranks 104th of 134, below the middle employer.

Sonoma County Library
$100k$150k$200k

Middle employer: $104,744

Each bar counts the employers whose average total pay falls in a $5,000 band. The dashed line marks the middle employer.

Pension and health cover at Sonoma County Library

As reported by the agency. Contributions are what the employer paid per full-year librarian, on top of wages.2

Pension formula
2% at 62
the most common formula among Sonoma County Library's librarians
Employer pension contribution
$10,339
average per year
Health, dental and vision
$13,498
average paid by the employer per year

Questions about librarian pay at Sonoma County Library

What is the average librarian salary at Sonoma County Library?

Librarians at Sonoma County Library who worked the full year earned an average of $91,231 in 2025. The middle librarian earned $91,248: half earned more, half less. The official pay range across its librarian titles runs from $77,314 to $143,354.

How much overtime do librarians at Sonoma County Library earn?

Full-year librarians were paid an average of $0 in overtime in 2025. The middle one was paid $0: a few people with a lot of overtime pull the average up.

What is the starting salary for a librarian at Sonoma County Library?

$77,314 a year: the bottom of the official range for Sonoma County Library's Librarian I title in 2025, as reported. Pay rises with steps and overtime; full-year librarians averaged $91,231 in total pay.

How much does a library assistant make at Sonoma County Library?

Full-year library assistants at Sonoma County Library averaged $67,071 in total pay in 2025, overtime included, on an official range of $58,947 to $73,590.

What pension do librarians at Sonoma County Library get?

The most common pension formula among Sonoma County Library's librarians is 2% at 62, as reported by the agency. The employer paid an average of $10,339 a year into the pension plan.

More salaries in Sonoma County

Sources for the Sonoma County Library figures

Every person who held a librarian position at Sonoma County Library at any point in 2025 counts toward the headcount. Pay figures use only people who worked roughly the full year: those whose regular pay reached at least 90% of the bottom of their official range. Total pay is gross wages before tax, including overtime, lump sums and other pay. Averages lead; the median total pay is the middle person's, with half above and half below, and is less pulled by a few people with very high pay. Every figure covers at least 5 people.

  1. California Government Code, section 6502: public agencies may jointly exercise their common powers by agreement.
  2. State Controller's Office, Government Compensation in California, 2025: positions, official pay ranges, wages, pension formula and employer contributions as reported by Sonoma County Library.

How we read the data