Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 39.7 yrs |
|---|---|
| Avg HH Size | 2.56 |
| Below Poverty | 4.6% ▼ 54% below avg |
| College Grads | 52.1% ▲ 34% above avg |
| Unemployment | 2.8% ▼ 42% below avg |
| No HS Diploma | 2,086 (0.8%) |
| HS Graduate | 59,616 (21.8%) |
| Some College | 29,812 (10.9%) |
| Associates | 39,364 (14.4%) |
| Bachelors | 26,071 (9.5%) |
| Graduate Degree | 116,647 (42.6%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $104,923 ▲ 37% above avg |
|---|---|
| Median Home Value | $301,893 ▲ 8% above avg |
| Home/Income Ratio | 2.9x (nat avg ~3.5x) |
| Median Rent | $1,346/mo |
| Total Housing Units | 165,575 |
| Vacant Units | 6,032 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Saint Charles County is located in Missouri and encompasses 17 ZIP codes spanning 13 cities and communities. The county has an estimated population of 411,888 residents. With a median age of 39.68, it is a middle-aged county.
Saint Charles County has a upper-middle-income economic profile. The median household income of $104,923 is above the national average. Unemployment stands at 2.8%, below the national average. The poverty rate of 4.6% is well below the national average.
Housing in Saint Charles County is a mid-range housing market, with a median home value of $301,893 — near the national average. Monthly median rent is approximately $1,346. Homeownership rates are high at 81.1%, reflecting a largely residential, stable population.
The residents of Saint Charles County are primarily White (83.95%). Educational attainment is well-educated — 52.1% of adults hold a bachelor's degree or higher, above the national average.
Saint Charles County, MO is a upper-middle-income area in Missouri. The 17 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.
| ZIP | City | Population | Median Income | Median Home | Median Rent | Unemp. | College |
|---|---|---|---|---|---|---|---|
| 63332 | Augusta | 1,676 | $137,083 | $385,600 | — | 3.7% | 43.9% |
| 63341 | Defiance | 3,554 | $177,583 | $552,600 | $1,086 | 2.5% | 59.1% |
| 63348 | Foristell | 10,207 | $106,458 | $364,900 | $1,602 | 1.0% | 42.9% |
| 63367 | Lake Saint Louis | 27,893 | $134,932 | $381,000 | $1,654 | 3.8% | 58.6% |
| 63365 | New Melle | 56 | $41,125 | — | — | 0.0% | 29.2% |
| 63366 | O Fallon | 54,449 | $98,237 | $283,900 | $1,274 | 3.3% | 42.9% |
| 63368 | O Fallon | 45,862 | $118,811 | $327,700 | $1,442 | 2.5% | 58.2% |
| 63373 | Portage Des Sioux | 717 | $77,250 | $206,500 | $1,035 | 2.9% | 31.9% |
| 63301 | Saint Charles | 51,625 | $83,551 | $249,400 | $1,093 | 3.1% | 49.6% |
| 63303 | Saint Charles | 46,627 | $98,031 | $301,700 | $1,329 | 1.8% | 59.3% |
| 63304 | Saint Charles | 43,389 | $114,124 | $331,300 | $1,618 | 3.8% | 57.4% |
| 63376 | Saint Peters | 74,876 | $94,921 | $255,500 | $1,319 | 2.7% | 48.8% |
| 63385 | Wentzville | 50,420 | $111,851 | $321,300 | $1,221 | 2.5% | 51.4% |
| 63386 | West Alton | 537 | $125,313 | $156,300 | $1,313 | 3.1% | 27.0% |