ZIP Code 63674 - Tiff Missouri
Overview
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 63674 Quick Stats
| ZIP Code Name | Tiff |
| Primary County | Washington County |
| ZIP Code Type | PO Box |
| Population (2022) | 24 |
| Area Code(s) | 636 |
| Current Time | CDT |
ZIP Code 63674 Map
63674 Demographics
The majority race/ethnicity residing in 63674 is White. The current unemployment level in 63674 is 4.2%.
| Population | 24 |
| Population Growth Rate | -78.41% |
| Population Density | 8 People per Square Mile |
| Total Households | 78 |
| Current Unemployment Rate (May 2026) | 4.2% |
| Sales Tax Rate (2025) | 7.2% |
| Majority Race/Ethnicity | White - 100% |
63674 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 19 | 100% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
63674 Educational Attainment Levels
| Highest Education Level | 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% |
63674 Geography
| Coordinates | 38.01834488, -90.65348816 |
| Cities/Towns in 63674 | |
| Region | Metro St. Louis |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 3 Square Miles |
63674 Schools
| School Districts in 63674 |