San Carlos Public Library didn’t send its yearly numbers to the Public Libraries Survey
San Carlos Public Library serves 10,204 people in and around San Carlos.
What’s behind San Carlos’ civic life grade
San Carlos isn’t graded on civic life: it’s unincorporated, so its nonprofits can’t be counted reliably (mailing addresses don’t follow its boundary) and its library is a branch of San Carlos Public Library, so there is no town figure for visits.
Civic life counts registered nonprofits, library visits and online volunteering groups, so it can miss civic life that runs through congregations, mutual aid or neighbors looking out for each other.
Library visits: IMLS Public Libraries Survey, FY2024. Nonprofits: IRS Exempt Organizations Business Master File, October 2026. Volunteering: Social Capital Atlas (Opportunity Insights), from data by Meta Platforms, Inc.; Chetty et al., Nature 2022. How TownRatings grades civic life →
Volunteering in San Carlos
San Carlos is unincorporated, so its nonprofits aren’t counted: they file by mailing address, which doesn’t follow its boundary.
6.5%
6.5% of San Carlos’ Facebook users aged 25–44 belong to a volunteering or activism group, against 6.0% in the typical Arizona town and 7.5% nationally.
Volunteering: Social Capital Atlas (Opportunity Insights), from data by Meta Platforms, Inc.; Chetty et al., Nature 2022. ZIP-code figures, weighted by where San Carlos’ residents live; 2022.
Find it
San Carlos Public Library, 89 San Carlos Ave, San Carlos.
Hours are the survey’s yearly average. Check the library’s own site for today’s hours.
Libraries next door
Who has a library of their own, and how much each town borrows. Tap a town to see its library.
| Town | Library | Loans per resident | Hours | Civic life |
|---|---|---|---|---|
| San Carlos | San Carlos Public Library | — | — | — unincorporated |
| Peridot | None of its own | — | — | — under 1,000 residents |
Loans = print + digital items borrowed in the library’s fiscal year, per person it serves. — = no library of its own, a county or regional system (its numbers cover many towns), or no report. Civic life: — = not graded (unincorporated places, whose nonprofits can’t be placed by mailing address, or towns with fewer than two of the three inputs).
What this data can and can’t tell you
From the Public Libraries Survey, fiscal year 2024.
- System-wide. San Carlos Public Library serves 10,204 people in and around San Carlos, so the yearly numbers cover all of them, not just San Carlos.
Hours are the survey’s yearly average; libraries are compared with others serving about as many people. How TownRatings uses library figures →
Questions about the library and civic life in San Carlos
Does San Carlos have a public library?
Yes. San Carlos Public Library, 89 San Carlos Ave, serves 10,204 people in and around San Carlos (the survey’s count).
What is San Carlos’ civic life grade?
San Carlos isn’t graded on civic life: it’s unincorporated, so its nonprofits can’t be counted reliably (mailing addresses don’t follow its boundary) and its library is a branch of San Carlos Public Library, so there is no town figure for visits. How it works.
Book talk
Reading, story times and the library in San Carlos.
Libraries: Institute of Museum and Library Services, Public Libraries Survey, fiscal year 2024. Each library reports its own numbers. Distances are straight-line from the town center. “What your card is worth” uses typical retail prices and is an estimate, not an official figure.