jain.com
jain.comCharity Clarity

Charity Clarity › Look up a charity › Iowa

Mitchell County Historical Society

Osage, Iowa · EIN 42-6074260 · tax-exempt since 1963

D

Charity Clarity grade D (score 45.6 of 100), based on the Form 990 for the year ended September 2025.

Graded against 43,998 unclassified nonprofits with revenue under $100K filing the same form. A = top 10%, B = next 20%, C = middle 40%, D = next 20%, F = bottom 10%.

What goes into the grade

MeasureThis charityScore (0–100)
ReservesMonths of spending covered by unrestricted net assets.31.1 months54
GovernanceBoard independence, key policies and audit, per the 990.39% of practices39
Margin stabilityHow steady the surplus or deficit is year to year.9
Revenue spreadHow much revenue rests on one type of income.38% from one source54
Filing recordOn-time, complete filings, year after year.100%100

Scores compare this charity with its peer group; 100 is best. How Charity Clarity rates charities.

Year by year

2016201720182019202020212022202320242025grey: revenue · green: spending
Year endedFormRevenueSpendingSurplusNet assetsMonths of spendingStaffGrade
Sep 2025Form 990$87K$228K−$141K$592K31.11D
Sep 2024Form 990$411K$79K$332K$733K111.21F
Sep 2023Form 990$86K$109K−$24K$401K44.12F
Sep 2022Form 990$218K$81K$137K$425K62.92F
Sep 2021Form 990$135K$74K$60K$288K46.60F
Sep 2020Form 990$62K$70K−$7,100$227K39.21D
Sep 2019Form 990$91K$80K$11K$234K35.11D
Sep 2018Form 990$71K$63K$7,456$224K42.31D
Sep 2017Form 990$66K$74K−$8,075$216K34.91C
Sep 2016Form 990$73K$81K−$7,582$224K33.40D

From the organisation’s own IRS filings. “Months of spending” is total net assets divided by a month of that year’s spending. A blank grade means that year was not rated.

Read the filings

Every figure here comes from the returns this charity filed with the IRS. These sites show the full returns and more about the organisation: