Nonprofits in Harper, Iowa

Nonprofits in Harper, Iowa. Browse 5 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. 4-H Clubs & Affiliated 4-H Organizations

    EIN 320223249 · Headquarters: Harper, IA, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  2. Knights of Columbus

    EIN 237541970 · Headquarters: Harper, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Knights of Columbus

    EIN 421222737 · Headquarters: Harper, IA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  4. Saints Peter & Paul Clear Creek Her

    EIN 270375950 · Headquarters: HARPER, IA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Windthorst Club of Harper

    EIN 421003109 · Headquarters: Harper, IA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N