ZIP Code · TN

ZIP 37421

Pop. 52,985·Hamilton County·93rd most expensive ZIP in Tennessee
Median rent (all units)
$1,514/mo
Year-over-Year
+1.5%
Month-over-Month
+0.3%
vs US Median
-$418
Reported rents
Stable (Monthly)
Be the first to discuss 37421 rents ↓
Most AffordableMost Expensive
ZIP 37421 · $1,514
More affordable than 72% of US ZIP codes · National median $1,932/mo
Rent check

Is your rent fair?

Compare your rent to the local median.

Medians by bedroom

Rent by unit size

Studio
$1,237
1 BR
$1,292
2 BR
$1,424
3 BR
$1,774
4 BR+
$1,899
Research median
$1,424/mo

Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).

Rent trends

12-month history

Loading…

Last updated: October 17, 2026

From the history

What the numbers show

Cheapest month to sign

March. Asking rents in ZIP 37421 usually run 1% below trend in March and 1.4% above it in June, about $36 a month apart at today's median. Based on 8 years of data.

Compared with the peak

Rent in ZIP 37421 is 0.5% below its high of $1,521 in July 2024, at $1,514 as of September 2026.

Past year vs. the rest of Tennessee

Rent in ZIP 37421 changed +1.5% over the year to September 2026. Across the 127 Tennessee ZIP codes Zillow tracks, the typical change was +1.8%.

Rent vs. income since 2019

From 2019 to 2024, rent in ZIP 37421 rose 43.7% while median household income rose 30.5% ($63,225 to $82,517). Rent outpaced income.

Since before the pandemic

Rent in ZIP 37421 is 41.8% higher than in March 2020. Across the US, rent is up 37.3% over the same stretch.

Recent direction

Rent has risen 6 months in a row, and rose in 8 of the last 12 months.

What a typical income covers

30% of the median household income ($82,517) is $2,063 a month. That covers HUD's Fair Market Rent for up to a 2-bedroom ($1,830); a 3-bedroom is $2,280.

Rank in Chattanooga

6th cheapest of 10 ZIP codes in Chattanooga.

Cheaper nearby

ZIP 37416, 5 miles away, rents for 12% less ($1,335/mo), about $2,100 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 37421. The seasonal pattern compares Zillow’s seasonally adjusted and unadjusted series. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost
$18,168/yr
At $1,514/mo median
Location
StateTN
CountyHamilton County
Rent Market Meter
Landlord's Market
Renter's MarketBalancedLandlord's Market
Rents are climbing (1.5% YoY), so leverage tilts toward landlords. Act sooner rather than later.
Based on rent-price momentum (+1.5% YoY, +0.3% MoM), not inventory.
Demographics

Who lives here

ZIP 37421 (Chattanooga, TN) is majority owner-occupied, 38.8% of residents hold a bachelor's degree or higher.

Population
52,985
Median income
$82,517
Median age
40.8
Renters
39.8%
Age distribution
19.5%
22.8%
26.1%
12.1%
19.4%
Under 1819.5%
18–3422.8%
35–5426.1%
55–6412.1%
65+19.4%
Gender
49.1%
50.9%
Male49.1%
Female50.9%
Race & ethnicity
62.1%
22.1%
White62.1%
Black22.1%
Hispanic9.5%
Asian5.1%
Other1.1%
Education (25+)
21.7%
31.1%
38.8%
No HS diploma8.3%
HS diploma21.7%
Some college31.1%
Bachelor's+38.8%
Housing tenure
60.2%
39.8%
Owner60.2%
Renter39.8%

Source: U.S. Census Bureau · ACS 2024 5-Year Estimates

2021 vs 2026

How ZIP 37421 in Chattanooga, TN has changed in 5 years

Rent
$1,192 → $1,514
up 27.0%
Income
$68,982 → $82,517
up 19.6%
Population
53,653 → 52,985
down 1.2%
Renter share
43% → 39.8%
-3.2 pts
Bachelor's+
36.9% → 38.8%
+1.9 pts
Median age
40.3 → 40.8
+0.5 yrs

Compared with 2021, rent in ZIP 37421 in Chattanooga, TN has climbed by $322 per month, settling near $1,514 after starting the period at $1,192. Household income in the area moved from $68,982 to $82,517 across the same window, up 19.6% versus 2021. Rent outpaced income growth by roughly 7.4 percentage points, which means renters are spending a larger slice of each paycheck on housing than they did in 2021. Headcount in the area went from 53,653 to 52,985 between 2021 and 2024, a 1.2% change. About 39.8% of households rent today, against 43% in 2021. Reading these numbers side by side helps frame whether current listings in ZIP 37421 in Chattanooga, TN look reasonable against where the market sat half a decade ago.

Community

Discussions about ZIP 37421

No discussions yet. Start the conversation.

Local insights

Tips for renters in ZIP 37421

About renting in ZIP 37421

Last updated: October 17, 2026

ZIP code 37421 covers Chattanooga, TN. The median rent here is $1,514/mo as of October 2026. A 1-bedroom rents for a median of $1,292/mo. A 2-bedroom rents for a median of $1,424/mo.

At 22% of local median household income ($82,517/yr), ZIP 37421 ranks as affordable compared to the national benchmark of 30%. Rents have increased 1.5% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 37421?

To keep rent at or below 30% of gross income, you would need to earn at least $61,000/year (about $29/hour full-time) to afford the median rent of $1,514/mo in ZIP 37421. The local median household income is $82,517/yr, so the typical household meets that bar.

Is rent going up or down in ZIP 37421?

Rent in ZIP 37421 has risen 1.5% over the past year as of September 2026. It sits 0.5% below its high of $1,521 in July 2024.

When is the cheapest time to rent in ZIP 37421?

Asking rents in ZIP 37421 are usually lowest in March, about 1% below their yearly trend, and highest in June, about 1.4% above it. At today's median that is a gap of roughly $36 a month. This pattern comes from 8 years of Zillow rent data.

Has rent outpaced income in ZIP 37421?

Yes. From 2019 to 2024, rent in ZIP 37421 rose 43.7% while median household income rose 30.5%, from $63,225 to $82,517. Rent is Zillow's yearly average; income is the Census 5-year estimate for the same years.

How does ZIP 37421 compare to other ZIPs in Tennessee?

ZIP 37421 is in the middle among Tennessee ZIP codes for rent, ranking #93 of 147 at $1,514/mo. Over the year to September 2026, rent in ZIP 37421 changed +1.5%, against a typical +1.8% across the 127 Tennessee ZIP codes Zillow tracks.

How does ZIP 37421 compare to the rest of Chattanooga?

At $1,514/mo, ZIP 37421 is $16 above the Chattanooga citywide median of $1,498/mo. It is the 6th cheapest of 10 ZIP codes in Chattanooga.
Income Affordability
22%
VERY AFFORDABLE

At $1,514/mo, rent takes ~22% of ZIP 37421's median household income ($82,517/yr). The standard benchmark is 30%.

ZIP 37421 22%Benchmark 30%
State income taxNone
Compare

How does this area stack up?

Pick another city or ZIP to compare.

Schools nearby

Public schools near ZIP 37421 (Chattanooga, TN)

Recent submissions

Be the first to submit your rent for this ZIP.

Recent discussions

No discussions yet.