Cost to Own
United StatesLouisianaJefferson Davis ParishLake Arthur Population 2,599 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Lake Arthur, Louisiana

A $78,000 home here costs

$750

per month, all in — with 20% down at today's 6.66% 30-year fixed rate.

A standard mortgage calculator would have told you $401. The real number is $349 higher every month — 87% more than the payment most buyers budget for.

Lake Arthur median: $77,600
Under 20% adds PMI
Freddie Mac PMMS
US average household

Where every dollar goes

Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.

Principal & interest30-year fixed, $62,400 borrowed $401
Property tax0.281% effective rate for Lake Arthur itself $18
Homeowners insuranceLouisiana averages $2,259/yr (NAIC), or 1.083% of home value $70
Electricity14.15¢/kWh — Louisiana residential average, EIA $127
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $65
Total monthly $750

Lake Arthur against Jefferson Davis Parish and Louisiana

MeasureLake ArthurJefferson Davis Parish
Median home value$77,600$145,000
Median property tax$218$409
Effective tax rate0.281%0.282%
Median gross rent$653$847
Population2,59932,083

The weather behind that power bill

Lake Arthur sits in Jefferson Davis Parish, which averages a high of 91.0°F in its hottest month and a low of 41.6°F in its coldest, with 63.51" of precipitation a year and 30% of it in a single three-month stretch. That climate drives 2,667 cooling and 1,618 heating degree days, which is what sets the $127 electricity line above.

See the full climate breakdown for Jefferson Davis Parish — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in Jefferson Davis Parish

Full Jefferson Davis Parish cost breakdown · Every county in Louisiana

Common questions

How much does it cost to own a home in Lake Arthur?

A $78,000 home in Lake Arthur, Louisiana costs approximately $750 per month with 20% down at 6.66%. That is $401 principal and interest, $18 property tax, $70 homeowners insurance, $195 utilities and $65 set aside for maintenance.

What is the property tax rate in Lake Arthur?

Lake Arthur has an effective property tax rate of 0.281%, based on a median home value of $77,600 and median real estate taxes of $218. That is in line with the Jefferson Davis Parish average of 0.282%.

What is the average home price in Lake Arthur?

The median owner-occupied home value in Lake Arthur, Louisiana is $77,600, against $145,000 across Jefferson Davis Parish.

Is it cheaper to rent or buy in Lake Arthur?

Median gross rent in Lake Arthur is $653 a month, against $750 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 Lake Arthur — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for Louisiana.
  • 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.

Full methodology