Total monthly cost of ownership
Cost to Own a Home in Potosi, Missouri
A $101,000 home here costs
$892per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $519. The real number is $373 higher every month — 72% 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.
Potosi against Washington County and Missouri
| Measure | Potosi | Washington County |
|---|---|---|
| Median home value | $101,100 | $118,400 |
| Median property tax | $539 | $682 |
| Effective tax rate | 0.533% | 0.576% |
| Median gross rent | $719 | $680 |
| Population | 2,542 | 23,483 |
The weather behind that power bill
Potosi sits in Washington County, which averages a high of 86.0°F in its hottest month and a low of 21.4°F in its coldest, with 45.46" of precipitation a year and 32% of it in a single three-month stretch. That climate drives 1,196 cooling and 4,900 heating degree days, which is what sets the $123 electricity line above.
See the full climate breakdown for Washington County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Washington County
No other places of this size are published in Washington County.
Full Washington County cost breakdown · Every county in Missouri
Common questions
How much does it cost to own a home in Potosi?
A $101,000 home in Potosi, Missouri costs approximately $892 per month with 20% down at 6.66%. That is $519 principal and interest, $45 property tax, $53 homeowners insurance, $191 utilities and $84 set aside for maintenance.
What is the property tax rate in Potosi?
Potosi has an effective property tax rate of 0.533%, based on a median home value of $101,100 and median real estate taxes of $539. That is lower than the Washington County average of 0.576%.
What is the average home price in Potosi?
The median owner-occupied home value in Potosi, Missouri is $101,100, against $118,400 across Washington County.
Is it cheaper to rent or buy in Potosi?
Median gross rent in Potosi is $719 a month, against $892 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 Potosi — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Missouri.
- 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.