Total monthly cost of ownership
Cost to Own a Home in Wilmington Island, Georgia
A $362,000 home here costs
$2,782per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,861. The real number is $921 higher every month — 50% more than the payment most buyers budget for.
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
Wilmington Island against Chatham County and Georgia
| Measure | Wilmington Island | Chatham County |
|---|---|---|
| Median home value | $361,600 | $273,300 |
| Median property tax | $3,023 | $2,463 |
| Effective tax rate | 0.836% | 0.901% |
| Median gross rent | $1,680 | $1,382 |
| Population | 14,457 | 298,143 |
The weather behind that power bill
Wilmington Island sits in Chatham County, which averages a high of 92.3°F in its hottest month and a low of 40.0°F in its coldest, with 48.12" of precipitation a year and 37% of it in a single three-month stretch. That climate drives 2,596 cooling and 1,675 heating degree days, which is what sets the $142 electricity line above.
See the full climate breakdown for Chatham County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Chatham County
Full Chatham County cost breakdown · Every county in Georgia
Common questions
How much does it cost to own a home in Wilmington Island?
A $362,000 home in Wilmington Island, Georgia costs approximately $2,782 per month with 20% down at 6.66%. That is $1,861 principal and interest, $252 property tax, $157 homeowners insurance, $210 utilities and $302 set aside for maintenance.
What is the property tax rate in Wilmington Island?
Wilmington Island has an effective property tax rate of 0.836%, based on a median home value of $361,600 and median real estate taxes of $3,023. That is lower than the Chatham County average of 0.901%.
What is the average home price in Wilmington Island?
The median owner-occupied home value in Wilmington Island, Georgia is $361,600, against $273,300 across Chatham County.
Is it cheaper to rent or buy in Wilmington Island?
Median gross rent in Wilmington Island is $1,680 a month, against $2,782 to own the median home all in. Renting costs less month to month here, though renting builds no equity.
Sources & methodology
- Median home value, real estate taxes, gross rent and population for Wilmington Island — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Georgia.
- Electricity price — EIA Electric Power Monthly Table 5.6.A.
- Mortgage rate — Freddie Mac PMMS, refreshed weekly.
- Maintenance (1%/yr) and water and sewer ($68/mo) are national estimates. Every assumption above is editable.