Olmsted County Historical Society is a 501(c)(3) organization based in Rochester, Minnesota, registered in 1945, with $1,121,179 in FY2024 revenue. CharityIndex grades it B.
Revenue (FY2024)
$1.1M
▲ 48.7% vs prior year
Expenses (FY2024)
$1.2M
Net assets
$1.4M
Employees
—
Measures how much of every dollar spent actually reaches programs, plus what it costs to raise $100 of donations. The worse of the two measures sets the letter (85%+ to programs is an A; under $15 to raise $100 is an A), averaged over the three most recent filings. Not scored for Olmsted County Historical Society— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
Measures whether the organization is built to last: how many months its reserves would cover expenses (3+ months earns an A-range score, but hoarding 5+ years of budget is capped) and whether it runs a surplus or a deficit. For Olmsted County Historical Society: 14 mo reserves · -4% margin earns a B+ on this criterion. See the exact thresholds →
Checks how the organization is run, from its own Form 990: an independent board majority, a board of five or more, conflict-of-interest, whistleblower and document-retention policies, and independently audited financials. The share of disclosed checks that pass sets the letter. Not scored for Olmsted County Historical Society— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
Counts five disclosure signals: a recent filing, a mission statement, program descriptions, a listed website, and the full expense breakdown. More disclosure, better letter. For Olmsted County Historical Society: 2 of 5 disclosure signals earns a C on this criterion. See the exact thresholds →
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Revenue grew from $531K (FY2013) to $1.1M (FY2024) across 12 reported years.
Financial snapshot
Operating margin
-4.2%
Spent more than it raised in the latest fiscal year.
Total assets
$1.6M
Total liabilities
$201K
Net assets
$1.4M
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2024 | $1,121,179▲48.7% | $1,167,752▲18.6% | $1,367,643▼3.3% | $1,568,380▲6.8% | 990 |
| 2023 | $754,186▼36.4% | $984,332▲9.6% | $1,414,216▼14.0% | $1,468,463▼14.8% | 990 |
| 2022 | $1,185,562▲28.1% | $897,948▲33.7% | $1,644,362▲21.2% | $1,723,760▲14.9% | 990 |
| 2021 | $925,524▲54.6% | $671,709▲22.8% | $1,356,748▲23.0% | $1,499,988▲31.0% | 990 |
| 2020 | $598,849▼14.9% | $546,870▼24.3% | $1,102,933▲4.9% | $1,144,918▲4.7% | 990 |
| 2019 | $703,728▲3.9% | $722,151▼2.6% | $1,050,954▼1.7% | $1,093,910▼4.6% | 990 |
| 2018 | $677,231▲11.6% | $741,545▲14.7% | $1,069,377▼5.7% | $1,146,710▼4.0% | 990 |
| 2017 | $606,943▲6.8% | $646,637▲7.5% | $1,133,691▼3.4% | $1,194,513▼3.3% | 990 |
| 2016 | $568,264▲10.5% | $601,294▲10.7% | $1,173,385▼2.7% | $1,235,016▼1.0% | 990 |
| 2015 | $514,255▼10.3% | $543,002▼10.0% | $1,206,415▼2.3% | $1,247,471▼2.5% | 990 |
| 2014 | $573,233▲8.0% | $603,274▲1.3% | $1,235,162▼2.4% | $1,279,598▼4.1% | 990 |
| 2013 | $530,914 | $595,478▲10.7% | $1,265,203▼4.9% | $1,334,346▼5.2% | 990 |
| 2012 | — | $538,036▼12.2% | $1,329,767▼0.4% | $1,407,084▲2.1% | 990 |
| 2011 | — | $612,480▼11.5% | $1,334,629▼2.3% | $1,378,058▼3.4% | 990 |
| 2010 | — | $691,903 | $1,365,462 | $1,426,056 | 990 |
Original Form 990 PDFs (the Form column) are served by ProPublica Nonprofit Explorer, as filed with the IRS. Create a free account to download the CSV report.
14 grants to Olmsted County Historical Society totaling $689K, reported by foundations on their Schedule I filings.
| Grantmaker | Purpose | Year | Amount |
|---|---|---|---|
| T Rowe Price Program For Charitable Giving Inc | Multiple | 2024 | $37,500 |
| T Rowe Price Program For Charitable Giving Inc | Multiple | 2023 | $22,000 |
| Mayo Clinic | Support charitable purpose | 2023 | $15,000 |
| Minnesota Historical Society | Legacy grant for projects focused on revitalizing the historic george stoppel farmstead with interpretive signage, and rehabilitating the stone barn and smokehouse | 2023 | $10,000 |
| Minnesota Historical Society | Legacy grant for rehabilitation of george stoppel smokehouse | 2022 | $175,685 |
| Mayo Clinic | Support charitable purpose | 2022 | $15,000 |
| T Rowe Price Program For Charitable Giving Inc | General operating | 2022 | $7,000 |
| Minnesota Historical Society | Legacy grants for rehabilitation of smokehouse, hcoc lighting, building mechanical system, and purchase of new software | 2021 | $159,597 |
| Minnesota Historical Society | Legacy grants for purchase of and migration to new collections management software, hcoc light project | 2020 | $87,710 |
| Minnesota Historical Society | Legacy grants for a gate visitor survey and research for a women's rights exhibit. | 2019 | $28,800 |
| Minnesota Historical Society | Legacy grants for audiovisual conversions. | 2018 | $28,800 |
| Minnesota Historical Society | Legacy grants for audiovisual conversions, for planning and redesign of exhibit space lighting and for an oral history of the rochester state hospital closure. | 2017 | $80,564 |
| Mayo Clinic | Support charitable programs | 2014 | $15,000 |
| Minnesota Historical Society | Legacy grant to gain physical and intellectual control of historic objects in the public trust and to collect and research environmental and historical data on the zumbro river watershed area. | 2014 | $6,406 |
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Data for Olmsted County Historical Society (EIN 41-0718368) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.