C-
18%
Overall NAT. AVG.
3%
Groceries NAT. AVG.
52%
Housing NAT. AVG.
Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.
The cost of living index is based on a national average of 100. For example, if the cost of living score is 90, then the estimated cost of living is 10% lower than the national average. If the score is 110, then the estimated cost of living is 10% higher than average. The overall index is calculated using weighted estimates across major everyday expense categories, including housing (30%), groceries (16%), transportation (12%), healthcare (10%), utilities (8%), lifestyle and entertainment (8%), household expenses (8%), and education and childcare (8%). All values are AI-assisted city-level estimates designed for directional comparisons.
Index South Portland Maine National
Cost of living118100100
Groceries103103100
Health care101101100
Housing15291100
Transportation101103100
Utilities109108100
Lifestyle & Entertainment105103100
Household Items103103100
Education & Childcare109106100
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An Overview of Cost of Living in South Portland, ME

Getting a feel for the cost of living in South Portland is essential for anyone planning to relocate, as it empowers them to make informed financial decisions, secure a comfortable lifestyle and maintain financial stability in their new environment. The cost of living in South Portland is 118, which is 18% higher than the national average. Relocating individuals may need to adjust their savings and investment strategies based on the cost of living in the new location. It influences decisions about retirement planning, investments and financial goals.

Housing costs make up a big chunk of the cost of living in South Portland, and they usually eat into a large part of your take-home pay. Unfortunately, in this area, both buying a home and renting one costs 51.9% more than the average city. This includes stuff like home prices, rent, mortgage rates, and insurance.

Is South Portland Affordable?

Is South Portland an affordable place to live? That's a valid question to ask when you're thinking about moving to a new city. After all, how much it costs to live somewhere can be a huge factor in your decision. Affordability can be broken down into 3 common categories. The cost of living index (we talked about it earlier), housing expenses and income levels all play a big role in figuring out if a place is affordable. For instance, in South Portland, the median home price is 55.7% higher than what most folks pay across the country, and monthly rent prices are 43.2% higher than the usual rates. Income levels in South Portland come in at $100,078, which is 23% higher than the national average.

What Factors can Influence the Cost of Living in South Portland?

Taxes: Cities that enforce higher taxes, covering both sales taxes and income taxes, can be a factor contributing to a higher cost of living. Paying more in taxes for everyday essentials like clothing and food inevitably leads to higher expenses. A higher income tax rate can further contribute to an overall elevated cost of living. In South Portland, the baseline sales tax rate begins at 5.5%, and income tax rates start at 5.8%.

Urbanization: Urban areas with a wealth of amenities and employment opportunities tend to come with a higher price tag for living. Why? Well, more people want to be there, which drives up home prices and rents. On the flip side, less densely populated rural areas or places where there's not as much demand usually mean fewer attractions, things to do and slower job growth. That often results in a lower cost of living.

Utilities: As with the prices of anything else, utility costs can exhibit significant variations, contingent on factors like climate, energy source availability, geographic location and state regulations. The expenses associated with electricity, water, heating, and waste disposal can fluctuate, either upward or downward, depending on the particular city or state. In South Portland, the utilities index registers 9.4% higher than the national average.

Where is the Data From?

The cost of living data for South Portland shown above is based on a U.S. average baseline score of 100, making it easier to compare how far your dollar may go from one city to another. Housing uses U.S. Census home price and rental data, while all remaining values are AI-assisted estimates informed by regional pricing, climate, transportation dynamics, and local economic factors. These scores are best used for directional comparisons between cities.

Cost Of Living Quick Facts

  • The cost of living in South Portland is 18% higher than the Maine average
  • The cost of living in South Portland is 18% higher than the national average
  • South Portland housing is 52% higher than the national average
  • Maine general sales tax is 8% higher than the national average
  • Maine state income tax is 123% higher than the national average

Most Affordable Places to Live in and Around South Portland

See all the best places to live around South Portland

Compare South Portland, ME Cost of Living

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      Median Income & Debt-To-Income Ratio

      Median Income Per Year Per Month Max Budget (28% DTI) Max Budget (36% DTI)
      Owners$127,826$10,652$2,982$3,835
      Renters$71,024$5,919$1,657$2,131
      To approximate the cost of living and the housing affordability in South Portland, ME, we can look at the percentage of income that is available to be spent on monthly housing, otherwise known as the debt-to-income ratio (DTI). To stay on the safe side, a consumer should not spend more than 28% of his or her gross income on housing-related expenses and costs and not more than 36% of income on all expenses and debts. Homeowners in South Portland have a median income of $127,826. Therefore, the amount that a consumer should spend on housing costs should be no more than $2,982 per month to avoid calamity and poverty. The renters in the city have an income of about $71,024, which would make their monthly maximum allowable rental costs $1,657.

      Maine Sales Tax

      State General Sales Tax With Max Surtax
      Maine 5.5% 5.5%

      Maine Income Tax

      State Income Tax (Low) Income Tax (High)
      Maine 5.8% 7.15%

      Nearby cities with low cost of living

      City Population Cost of Living Index National Avg.
      Little Falls, ME7611011.5%
      Freeport, ME1,9471066.0%
      Old Orchard Beach, ME9,2731087.8%
      Westbrook, ME19,32511010.4%
      North Windham, ME5,87511111.0%
      South Portland, ME26,52111818.4%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Columbine, CO26,52714544.8%
      Green, OH26,538981.8%
      Conception Bay South, NL26,497n/a 
      Holt, MI26,494982.0%
      Lebanon, PA26,4848811.6%
      South Portland, ME26,52111818.4%
      Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.