ZIP 63366 — Economy & Jobs

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLarge CommunityLow Snow Area

Income, employment, industries, and economic trends

Income & Economy in O'Fallon city, MO (63366)

Median Income

$98,237

*Adjusted for inflation (2023 dollars)

IRS Net Migration

+2,461

Wealth inflow

Population

54,449

Unemployment

3.3%

0.4pp below US avg

IRS migration statistics show a net inflow of about 2,461 for ZIP 63366 (O'Fallon city, MO) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Economic Indicators

Unemployment

3.3%-11% vs US avg

Self-Employed

2.6%-58% vs US avg

SNAP Benefits

5.8%-50% vs US avg

1,192

Establishments

21,736

Employees

~18 per establishment — small businesses dominate

Manufacturing

Top Industry

Economic Distributions

Census ACS 5-Year (P0): occupation, industry, household income brackets.

Occupation

Industry

Agriculture, forestry, mining1.3%
Construction8.6%
Manufacturing13.1%
Wholesale trade2.8%
Retail trade11.5%
Transportation, utilities4.4%
Information1.8%
Finance, insurance, real estate9.1%
Professional, scientific, management10.4%
Education, health care, social20.3%
Arts, entertainment, food services8.3%
Other services5.5%
Public administration3.1%

Household Income

Historical Trends in 63366 (2020–Present)

Since 2020, population grew 7.7%, median income rose 2.4% (inflation-adjusted), home values increased 12.7%.

Median Income

$98,237

+31% vs US avg

Unemployment Rate