Nonprofits in Mason City, Illinois

Nonprofits in Mason City, Illinois. Browse 14 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. American Legion

    EIN 376044309 · Headquarters: Mason City, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Citizens Promoting Positive Action

    EIN 863157898 · Headquarters: MASON CITY, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  3. Community Ladies United 4 Betterment Inc

    EIN 463532418 · Headquarters: Mason City, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  4. Foundation to Reimagine Mason City

    EIN 872246646 · Headquarters: MASON CITY, IL, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Illini Central Middle and High School Pto

    EIN 881008012 · Headquarters: Mason City, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Illini Central Post Prom

    EIN 992593095 · Headquarters: Mason City, IL, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  7. Illini Central Student Loan Fund

    EIN 376047226 · Headquarters: Mason City, IL, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  8. Mason City Area Food Pantry

    EIN 814330036 · Headquarters: Mason City, IL, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Mason City Area Nursing Home Association Inc

    EIN 371168043 · Headquarters: MASON CITY, IL, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Mason City Illinois Area and Family History Society Nfp

    EIN 264101306 · Headquarters: Mason City, IL, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  11. Mason Citys Arlee Theater

    EIN 834707027 · Headquarters: Mason City, IL, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Mason County Homemakers Extension Association

    EIN 370664115 · Headquarters: Mason City, IL, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  13. Rotary International

    EIN 376045157 · Headquarters: Mason City, IL, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  14. Save Our Area Resources in Mason City

    EIN 371358782 · Headquarters: Mason City, IL, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N