Cost of Living in Old Lyme, CT
Population 7,644 · Connecticut · Data vintage 2023
(100 = US avg)
Under 25,000 residents gives Old Lyme a small-town character that shows up in every data point below — from the commute patterns to the rental inventory. A typical home runs $449,000.
Old Lyme is about 30 miles east of New Haven, the nearest large metro — close enough that regional housing and labor patterns are shaped largely by the larger market. Median home values run roughly 80% higher than New Haven's $249,000.
Cost Overview
Scale: 100 = US national average. Green < 90, Red > 110.
About the Cost of Living in Old Lyme
The median home value in Old Lyme is $449,400 — 47% above the national median of $305,000. Median rent runs $2,012/month, 53% higher than the national median of $1,314/month. The median household income of $126,904/year is 70% higher than the US median of $74,580. The local unemployment rate is 4.0%, below the national average of 4.8%. Connecticut's top state income tax rate is 7.0% and the combined sales tax is 6.3%. The climate averages highs of 59.4°F and lows of 43.5°F. Overall, Old Lyme has a cost of living index of 150 versus the US average of 100, meaning it is 50% more expensive.
Old Lyme has limited residential data
Detailed housing and income data is limited for this location. Here are the nearest cities with full cost of living data:
🏠 Housing
HUD Fair Market Rents by Bedroom
💰 Estimated Monthly Budget
Estimates based on median data and national averages. Actual costs vary.
🛒 Food & Groceries
National BLS average prices (2023). Local prices may vary.
🚗 Transportation
Commute Mode
⚡ Utilities
📋 Taxes
💼 Income & Employment
🎓 Education
👥 Demographics
🌤 Climate
NOAA 1991–2020 Climate Normals
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 38 | 40 | 47 | 56 | 65 | 74 | 80 | 79 | 74 | 63 | 53 | 44 |
| Low °F | 23 | 25 | 31 | 39 | 49 | 58 | 65 | 64 | 57 | 46 | 37 | 29 |
| Precip" | 2.68 | 2.20 | 3.82 | 3.58 | 3.31 | 3.30 | 3.24 | 3.32 | 3.83 | 3.66 | 3.24 | 3.13 |
Frequently Asked Questions
What is the cost of living in Old Lyme, CT?
Old Lyme has a cost index of 150 (100 = national average). It is 50% above the national average.
What is average rent in Old Lyme, CT?
The median gross rent in Old Lyme is $2,012 per month based on 2023 Census data.
What is the average home price in Old Lyme?
The median home value in Old Lyme is $449,400 according to 2023 Census ACS data.
What is the median income in Old Lyme?
The median household income in Old Lyme is $126,904 per year (2023 ACS 5-year estimates).
What is the sales tax in Old Lyme, CT?
The combined state and local sales tax rate in Old Lyme is 6.3%. The Connecticut state income tax top rate is 7.0%.
Is Old Lyme, CT affordable?
Old Lyme is above average in cost of living, with an index of 150 — about 50% higher than the national average.
What is the weather like in Old Lyme?
Old Lyme has average high temperatures of 59.4°F and average lows of 43.5°F. Annual precipitation is 39.3". Data from NOAA 1991–2020 Climate Normals.
Old Lyme at a Glance
- Population
- 7,644
- Median Income
- $126,904
- Home Value
- $449,400
- Median Rent
- $2,012/mo
- Unemployment
- 4.0%
- Avg High Temp
- 59.4°F
- Sales Tax
- 6.3%
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