ZIP Code 37308 - Birchwood Tennessee
Overview
ZIP Code 37308 is located in Birchwood Tennessee. Portions of 37308 are also in Sale Creek. 37308 is primarily within Hamilton County, with some portions in Meigs County. Regionally, 37308 is located in Metro Chattanooga.
ZIP Code 37308 Quick Stats
| ZIP Code Name | Birchwood |
| Primary County | Hamilton County |
| ZIP Code Type | Standard |
| Population (2022) | 2,663 |
| Area Code(s) | 423 |
| Current Time | EDT |
ZIP Code 37308 Map
37308 Demographics
37308 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Tennessee based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 37308 is White. The current unemployment level in 37308 is 3.3%.
| Population | 2,663 |
| Population Growth Rate | -20.94% |
| Population Density | 62 People per Square Mile |
| Total Households | 790 |
| Median Household Income (2021) | $62,174 |
| Average Adjusted Gross Income (2021) | $428,030 |
| Current Unemployment Rate (May 2026) | 3.3% |
| Sales Tax Rate (2025) | 9.2% |
| Majority Race/Ethnicity | White - 96.93% |
37308 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 2,338 | 96.93% |
| Black | 28 | 1.16% |
| Hispanic | 28 | 1.16% |
| Asian | 0 | 0% |
| Native American | 18 | 0.75% |
| Hawaiian/Pac. Islander | 0 | 0% |
37308 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 62 | 5.49% |
| Bachelor Degree | 115 | 10.18% |
| High School Diploma | 454 | 40.18% |
| No High School Diploma | 12 | 1.06% |
| GED or Alternate | 121 | 10.71% |
| 1 or More Years of College | 253 | 22.39% |
| Associates Degree | 106 | 9.38% |
| Masters Degree | 0 | 0% |
| Professional Degree | 7 | 0.62% |
| Doctorate Degree | 0 | 0% |
37308 Geography
| Coordinates | 35.35059357, -84.99804688 |
| Adjacent ZIP Codes | |
| Cities/Towns in 37308 | |
| Region | Metro Chattanooga |
| Metropolitan/Micropolitan Stat Area | Chattanooga, TN-GA |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 43 Square Miles |
37308 Schools
| School Districts in 37308 | |
| Elementary Schools in 37308 | |
| Middle Schools in 37308 | |
| High Schools in 37308 |
37308 Weather and Climate Data
| Plant Hardiness Zone | Zone 7a: 0F to 5F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Cfa - Humid Subtropical Climate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 67f - Southern Limestone/Dolomite Valleys and Low Rolling Hills | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||