Residential delivery area · Tennessee
ZIP Code 37012: Alexandria, TN
ZIP code 37012 uses the postal name Alexandria, Tennessee and lies mostly in DeKalb County (58% of its land), reaching into Wilson County and Smith County (Census 2020 ZIP-county file). About 2,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $49,265 (Census Bureau, ACS 2020-2024). By Census place, 6% of its land lies in Alexandria; 95% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Alexandria · its only residential ZIP
- County
- DeKalb County (58%); Wilson County (22%); Smith County (20%)
- Census places
- Alexandria
- House district
- TN-6 119th Congress
- State
- Tennessee
- Time zone
- Central
- Land area
- 36.9 sq mi · 57 people per sq mi
Where is ZIP code 37012?
37012 centers on 36.071°, -86.006° and covers 36.9 square miles of land. It borders 5 ZIP codes: 38547, 38567, 37095, 37184, 37016.
The map draws ZIP code areas only. For the streets inside 37012, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 37012 compare with the rest of DeKalb County?
| Measure | 37012 | In DeKalb County | In TN |
|---|---|---|---|
| People (ACS 2020-2024) | 2,118 | 5th of 11 | 436th of 636 |
| Median household income | $49k | 5th of 5 | 363rd of 425 |
| Median home value | $238k | 3rd of 6 | 210th of 436 |
Its median household income is higher than in 13% of U.S. residential ZIP codes, and it is denser than 45% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 37012?
The 2020 Census counted 2,339 people in 37012; the ACS, which samples households over 2020-2024, estimates 2,118. Between the 2010 and 2020 censuses its population grew 2.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 2,118±450 (90% margin)
- 2020 Census count
- 2,339+2.1% since 2010 (2,292)
- Households
- 876
- Median age
- 38.3
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 37012?
Of the 2,118 people the ACS estimates in 37012, 26.0% are under 18 and 17.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (91.5%).
- Under 1826.0%
- 18 to 6456.4%
- 65 and older17.6%
- White, not Hispanic91.5%
- Other or two or more5.1%
- Black, not Hispanic2.7%
- Hispanic or Latino0.7%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 37012 earn?
Median household income is $49,265 (ACS 2020-2024), the 5th highest of the 5 ranked ZIP codes in DeKalb County. It is not measurably different from 2015-2019 ($53,249 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $49,265±$9,518
- Income per person
- $26,310
- Below the poverty line
- 18.2%
- Unemployed (of the labor force)
- 8.4%
- Adults 25+ with a bachelor's degree
- 11.3%
- Adjusted gross income per tax return, 2022
- $57,5551,100 returns; wages 81% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 37012?
FHFA's house price index for 37012, built from repeat sales and appraisals of the same homes, rose 172% from 2015 to 2025 and rose 93% from 2020 to 2025, and moved +13.3% in 2025.
- Median home value (owners' estimate)
- $237,600
- Median gross rent
- $749
- Homes owned by their occupants
- 66.8%
- Housing units
- 1,003
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 37012?
32 business establishments had a location in this ZIP code in 2023, 5 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade4
- Information4
- Other services (except public administration)4
- Finance and insurance3
- Real estate and rental and leasing3
- Administrative and support and waste management and remediation services3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 37012?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 38547 | Brush Creek | 2,088 | $81k | 5.8 mi |
| 38567 | Hickman | 1,065 | $100k | 6.2 mi |
| 37095 | Liberty | 1,697 | $65k | 7.7 mi |
| 37184 | Watertown | 7,289 | $83k | 7.9 mi |
| 37016 | Auburntown | 900 | $65k | 9.6 mi |
| 37059 | Dowelltown | 1,590 | $50k | 8.3 mi (near) |
| 38569 | Lancaster | 390 | – | 8.8 mi (near) |
| 38563 | Gordonsville | 1,826 | $50k | 9.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.