GiveRate / All records / Forbes 400 (Sept. 2026) / S. Curtis Johnson

S. Curtis Johnson

1–5%

S. Curtis Johnson has given an estimated 1–5% of current net worth ($5.1B), based on Forbes' philanthropy score.

GiveRate

1–5%

Net worth

$5.1B

Stated lifetime giving

Not stated

Forbes 400

#336 · Cleaning products · Racine, Wisconsin

Status

Source-reported range

Sources

Forbes 400 profile · Sept. 2026

The math

Forbes philanthropy score 2 of 5: lifetime giving is 1–5% of current net worth. The range is Forbes' own banding; GiveRate shows it as published.

Profile

Age

71

Residence

Racine, Wisconsin

Industry

Manufacturing

Source of wealth

Cleaning products

Self-made

No (inherited or family wealth)

One-year change

$4.7B (#325) in Sept. 2025 to $5.1B (#336) in Sept. 2026, a gain of 9%.

What the range means in dollars

Forbes gives S. Curtis Johnson a philanthropy score of 2 out of 5, meaning lifetime giving equals 1% to 5% of current net worth. On a $5.1B fortune, that implies lifetime giving of roughly between $51M and $255M. 138 of the 400 share this score, 177 score lower and 68 score higher.

For scale: 1% to 5% of a $50,000 household income would be $500 to $2,500.

Giving on record

SC Johnson is known for products including Pledge, Windex and Drano.

From the Forbes profile (Sept. 2026).

Others in Manufacturing

• Steven Rales: 1–5% · $8.7B
• Elizabeth Uihlein: 1–5% · $7.6B
• Richard Uihlein: 1–5% · $7.6B
• Neal Blue & family: Under 1% · $7.1B
• Ronald Wanek: 1–5% · $6.9B
• Jim Davis & family: 1–5% · $6.7B

Others in Wisconsin

• Diane Hendricks: Under 1% · $23.6B
• John Menard, Jr.: Under 1% · $16.0B
• Judy Faulkner: 1–5% · $9.6B
• Helen Johnson-Leipold: 1–5% · $5.2B
• H. Fisk Johnson: 1–5% · $5.1B
• James Cargill, II.: Under 1% · $4.8B

Questions

How much has S. Curtis Johnson given to charity?

Forbes scores S. Curtis Johnson 2 of 5 for philanthropy, meaning lifetime giving of 1% to 5% of net worth, roughly between $51M and $255M on a $5.1B fortune.

What is S. Curtis Johnson's net worth?

Forbes estimates $5.1B as of September 2026, ranking #336 on the Forbes 400.

What is S. Curtis Johnson's GiveRate?

1–5%. GiveRate is lifetime giving as a share of wealth, built from published Forbes figures. See giverate.org/methods/ for the method.

GiveRate is an estimate built only from the published figures above. Wealth and giving totals are themselves estimates. See methods. Spot an error? Request a correction. See all Forbes 400 (Sept. 2026) · Open in the interactive rankings · Calculate your own GiveRate