ZIP Code 63674 is located in Tiff Missouri. Portions of 63674 are also in Union Township (Washington County). 63674 is entirely within Washington County. Regionally, 63674 is located in Metro St. Louis.
| ZIP Code Name | Tiff |
| Primary County | Washington County |
| ZIP Code Type | PO Box |
| Population (2022) | 24 |
| Area Code(s) | 636 |
| Current Time | CST |
| Population | 24 |
| Population Growth Rate | -78.41% |
| Population Density | 8 People per Square Mile |
| Total Households | 78 |
| Current Unemployment Rate (December 2024) | 3.4% |
| Majority Race/Ethnicty | White - 100.00% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 19 | 100% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
| Highest Education Level Attained | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 0 | 0% |
| Bachelor Degree | 0 | 0% |
| High School Diploma | 149 | 100% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 0 | 0% |
| 1 or More Years of College | 0 | 0% |
| Associates Degree | 0 | 0% |
| Masters Degree | 0 | 0% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
| Coordinates | 38.01834488,-90.65348816 |
| Cities/Towns in 63674 | |
| Region | Metro St. Louis |
| Time Zone | Central Standard Time |
| IANA Timezone | America/Chicago |
| Area | 3 Square Miles |
| School Districts in 63674 |