| ZIP Code | 37421 |
| ZIP Code Name | Chattanooga |
| Primary County | Hamilton County |
| ZIP Code Type | Standard |
| Population (2021) | 53,653 |
| Area Code(s) | 423 |
| Current Time | EST |
37421 is a United States ZIP Code located in Chattanooga Tennessee. Portions of 37421 are also in East Ridge. 37421 is entirely within Hamilton County. 37421 is within Metro Chattanooga.
37421 can be classified socioeconically as a Lower Middle Class class zipcode in comparison to other zipcodes in Tennessee based on Median Household Income and Average Adjusted Gross Income. Measuring level of educational attainment the majority of adults in 37421 have at least a Bachelor Degree. The majority race/ethnicity residing in 37421 is White. The majority race/ethnicity attending public schools in 37421 is White. The current unemployment level in 37421 is 3.0%.
| Population | 53,653 |
| Population Growth Rate | 8.64% |
| Population Density | 1,681 People per Square Mile |
| Total Households | 19,231 |
| Percentage High Income Households | 4.5% |
| Median Houshold Income (2021) | $68,982 |
| Average Adjusted Gross Income (2019) | $69,240 |
| Current Unemployment Rate (November 2023) | 3.0% |
| Majority Race/Ethnicty | White - 65.86% |
| Public School Majority Race/Ethnicty | White - 38.05% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 35,461 | 65.86% |
| Black | 11,794 | 21.91% |
| Hispanic | 4,081 | 7.58% |
| Asian | 2,385 | 4.43% |
| Native American | 118 | 0.22% |
| Hawaiian/Pac. Islander | 0 | 0% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 1,253 | 41.26% |
| Black | 1,204 | 39.64% |
| Hispanic | 486 | 16% |
| Asian | 92 | 3.03% |
| Native American | 2 | 0.07% |
| Hawaiian/Pac. Islander | 0 | 0% |
| Highest Education Level Attained | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 2,431 | 7.99% |
| Bachelor Degree | 7,862 | 25.83% |
| High School Diploma | 6,452 | 21.2% |
| No High School Diploma | 318 | 1.04% |
| GED or Alternate | 1,160 | 3.81% |
| 1 or More Years of College | 5,493 | 18.05% |
| Associates Degree | 2,535 | 8.33% |
| Masters Degree | 2,909 | 9.56% |
| Professional Degree | 823 | 2.7% |
| Doctorate Degree | 448 | 1.47% |
| Coordinates | 35.02886581,-85.15324402 |
| Adjacent ZIP Codes | |
| Cities/Towns in 37421 | |
| Region | Metro Chattanooga |
| Metropolitan/Micropolitan Stat Area | Chattanooga, TN-GA |
| Time Zone | Eastern Standard Time |
| IANA Timezone | America/New_York |
| Area | 32 Square Miles |
| US Congressional Districts in 37421 | |
| Tennessee State Senate Districts in 37421 | |
| Tennessee State House of Representatives Districts in 37421 |
| School Districts in 37421 | |
| Elementary Schools in 37421 | |
| Middle Schools in 37421 | |
| High Schools in 37421 |
| Plant Hardiness Zone | Zone 7b: 5F to 10F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Cfa - Humid Subtropical Climate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 67f - Southern Limestone/Dolomite Valleys and Low Rolling Hills | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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