ZIP Code · CT

ZIP 06355

Part of Groton, CT

Pop. 12,173·New London County·18th most expensive ZIP in Connecticut

Median rent (all units)

$2,688/mo

Year-over-Year

Stable

Month-over-Month

-1.9%

vs US Median

+$756

Reported rents

Falling (Monthly)

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Most AffordableMost Expensive

ZIP 06355 · $2,688

More expensive than 84% of US ZIP codes · National median $1,932/mo

Rent check

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Compare your rent to the local median.

Medians by bedroom

Rent by unit size

Studio

$1,540

1 BR

$1,800

2 BR

$2,240

3 BR

$2,890

4 BR+

$3,590

Research median

$2,240/mo

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

Rent trends

12-month history

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Last updated: October 17, 2026

From the history

What the numbers show

Past year vs. the rest of Connecticut

Rent in ZIP 06355 changed -0.7% over the year to September 2026. Across the 64 Connecticut ZIP codes Zillow tracks, the typical change was +3.7%.

Recent direction

Rent has fallen 3 months in a row, and rose in 6 of the last 12 months.

What a typical income covers

30% of the median household income ($137,425) is $3,436 a month. That covers HUD's Fair Market Rent for up to a 3-bedroom ($2,890); a 4-bedroom is $3,590.

Cheaper nearby

ZIP 06340, 3 miles away, rents for 18% less ($2,197/mo), about $5,900 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 06355. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$32,256/yr

At $2,688/mo median

Location

CityGroton

StateCT

CountyNew London County

Rent Market Meter

Renter's Market

Renter's MarketBalancedLandlord's Market

Rents are softening (down 0.0% YoY), so renters have negotiating leverage.

Based on rent-price momentum (+0.0% YoY, -1.9% MoM), not inventory.

Demographics

Who lives here

ZIP 06355 (Groton, CT) is majority owner-occupied, has a large retiree population, has a median income above the national average, 56.7% of residents hold a bachelor's degree or higher.

Population

12,173

Median income

$137,425

Median age

53.2

Renters

19%

Age distribution

15.7%

14.5%

22.1%

16.8%

30.9%

Under 1815.7%

18–3414.5%

35–5422.1%

55–6416.8%

65+30.9%

Gender

50%

Male50%

Female50%

Race & ethnicity

83.3%

White83.3%

Black1.5%

Hispanic3.3%

Asian3.6%

Other8.2%

Education (25+)

18.9%

22.2%

56.7%

No HS diploma2.2%

HS diploma18.9%

Some college22.2%

Bachelor's+56.7%

Housing tenure

81%

19%

Owner81%

Renter19%

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

2021 vs 2026

How ZIP 06355 in Groton, CT has changed in 5 years

Income

$109,914 → $137,425

up 25.0%

Population

12,108 → 12,173

up 0.5%

Renter share

17.5% → 19%

+1.5 pts

Bachelor's+

55.7% → 56.7%

+1.0 pts

Median age

51.6 → 53.2

+1.6 yrs

Household income in the area moved from $109,914 to $137,425 across the same window, up 25.0% versus 2021. About 19% of households rent today, against 17.5% in 2021.

Community

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Local insights

Tips for renters in ZIP 06355

About renting in ZIP 06355

Last updated: October 17, 2026

ZIP code 06355 covers Groton, CT. The median rent here is $2,688/mo as of October 2026. A 1-bedroom rents for a median of $1,800/mo. A 2-bedroom rents for a median of $2,240/mo.

At 23% of local median household income ($137,425/yr), ZIP 06355 ranks as affordable compared to the national benchmark of 30%. Rent prices have stayed steady over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 06355?

To keep rent at or below 30% of gross income, you would need to earn at least $108,000/year (about $52/hour full-time) to afford the median rent of $2,688/mo in ZIP 06355. The local median household income is $137,425/yr, so the typical household meets that bar.

Is rent going up or down in ZIP 06355?

Rent in ZIP 06355 has been roughly flat over the past year, a 0.0% change.

How does ZIP 06355 compare to other ZIPs in Connecticut?

ZIP 06355 is one of the pricier among Connecticut ZIP codes for rent, ranking #18 of 83 at $2,688/mo. Over the year to September 2026, rent in ZIP 06355 changed -0.7%, against a typical +3.7% across the 64 Connecticut ZIP codes Zillow tracks.