# Stem to Stern

Swimming and water sports nonprofit in Milwaukee, Wisconsin 53202. EIN 85-4367638. Data as of November 8, 2026.

Page: https://backpr.com/find/nonprofit/854367638-stem-to-stern

## IRS facts

- Type: Swimming and water sports (IRS activity code N67)
- Tax status: 501(c)(3), contributions deductible, recognized 2021
- Source: IRS Business Master File, posted October 13, 2026: https://www.irs.gov/charities-non-profits/exempt-organizations-business-master-file-extract-eo-bmf

## How it compares

- Revenue rank: 16 of 59 amateur sports nonprofits in Milwaukee.
- Revenue $48,526 is higher than roughly 10 to 20% of 630 amateur sports nonprofits in Wisconsin; median $118,775.
- Source: IRS Business Master File, posted October 13, 2026; BackPR analysis.

## Local context

- Milwaukee County, Wisconsin: about 214,777 children under 18 (U.S. Census Bureau, July 1, 2024): https://www2.census.gov/programs-surveys/popest/datasets/2020-2024/counties/asrh/cc-est2024-agesex-all.csv
- 410 youth and community nonprofits in this directory in the county: 1.9 per 1,000 children.
- Licensed programs in Milwaukee: 414 licensed child care centers, 106 school-age programs: https://backpr.com/find/wisconsin/milwaukee
- Wisconsin rules: https://backpr.com/resources/states/wisconsin

## Questions

**What is Stem to Stern's EIN?**

Stem to Stern's EIN (Employer Identification Number) is 85-4367638. It is the nine-digit number the IRS uses to identify the organization. Source: IRS Exempt Organizations Business Master File posted October 13, 2026.

**Is Stem to Stern a nonprofit?**

Yes. The IRS lists Stem to Stern in Milwaukee, Wisconsin as tax-exempt under section 501(c)(3), recognized since 2021. This is from the IRS Business Master File posted October 13, 2026. Status can change, so check its current status on the IRS Tax Exempt Organization Search before you donate.

**Are donations to Stem to Stern tax-deductible?**

Yes, the IRS lists gifts to Stem to Stern as tax-deductible (IRS Business Master File posted October 13, 2026). How much you can deduct depends on your own taxes, and this is not tax advice. Check its current status on the IRS Tax Exempt Organization Search before you donate.

**What does Stem to Stern do?**

The IRS classifies Stem to Stern as: Swimming and water sports. It has not filed a Form 990 or 990-EZ with a mission statement that we have loaded.

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Data as of November 8, 2026. Sources: IRS Business Master File, IRS Form 990 series e-file data, U.S. Census Bureau. No officer or staff names are published.