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St. Louis, MO-IL

Cost of living in Warren County, MO

Part of the St. Louis Metro Area

Estimated monthly cost
$2,994/mo
for a single person, all categories combined

Population 36,467 · Last updated May 21, 2026

Cost breakdown

Single person, by category, per month.

Rent $984 33%
Federal tax $504 17%
Healthcare $480 16%
Transport $320 11%
Groceries $313 10%
Energy $194 6%
State tax $149 5%
Water $50 2%

Rent in Warren County

Fair Market Rents by bedroom count.

Studio
$951
per month
1 bedroom
$984
per month
2 bedroom
$1,215
per month
3 bedroom
$1,570
per month
4 bedroom
$1,806
per month

Source: HUD FMR FY2025

Income and earnings in Warren County

Annual earnings figures from the Census ACS.

Household income
$77,989
per year
Individual earnings
$40,886
per year
Per capita
$36,403
per year

Source: ACS 2019-2023 5-Year.

Home values in Warren County

Average values reported by homeowners.

Average home value
$241,200
Annual property tax
$1,780

Source: ACS 2019-2023 5-Year

Energy costs in Warren County

Estimated monthly electricity and gas costs.

Electricity
$142
per month · 14.2¢/kWh
Natural gas
$52
per month
Annual total
$2,328
per year

Source: EIA

Healthcare in Warren County

Insurance premiums and coverage rates.

Individual premium
$480
per month
Family premium
$1,350
per month
Uninsured rate
8.2%

Source: ACS + national avg. Marketplace benchmark premiums are second-lowest Silver plan estimates and do not reflect employer plans, subsidies, or out-of-pocket costs. This is not healthcare advice.

Taxes in Warren County

State and local tax rates for Missouri.

State income tax
4.8%
Top marginal rate
State sales tax
4.2%
Combined sales tax
8.3%
incl. average local

Tax rates change. Consult a qualified tax professional for advice on your specific situation. This is not tax advice.

Transportation in Warren County

Commute patterns and estimated costs.

Average commute
31.0 min
Drive alone
81.4%
Public transit
0.2%
Work from home
7.7%

Source: ACS

Monthly cost estimates for Warren County

What it costs to live in Warren County each month.

Single person
$2,994
per month
  • Rent $984
  • Energy $194
  • Water $50
  • Groceries $313
  • Transport $320
  • Healthcare $480
  • Federal tax $504
  • State tax $149
Couple
$4,555
per month
  • Rent $1,215
  • Energy $233
  • Water $60
  • Groceries $519
  • Transport $420
  • Healthcare $864
  • Federal tax $946
  • State tax $298
Family
$7,032
per month
  • Rent $1,570
  • Energy $291
  • Water $70
  • Groceries $787
  • Transport $520
  • Healthcare $1,350
  • Childcare $1,200
  • Federal tax $946
  • State tax $298

Frequently asked questions about Warren County

Common questions about cost of living, rent and salary.

What is the average rent in Warren County?

In Warren County, MO, a one-bedroom apartment averages $984 per month, a two-bedroom averages $1,215 per month, a three-bedroom averages $1,570 per month, according to HUD Fair Market Rent data.

What is the average salary in Warren County?

In Warren County, MO, the average household income is $77,989 per year and individual earnings for full-time workers average $40,886 per year, according to U.S. Census Bureau data.

What is the cost of living in Warren County?

The estimated cost of living in Warren County, MO is approximately $2,994 per month for a single person, $4,555 for a couple, $7,032 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.

What is the sales tax rate in Warren County?

The combined sales tax rate in Warren County, MO is 8.29%, which includes the Missouri state rate of 4.22% plus an average local rate of 4.06%.

Is Warren County an affordable place to live?

Based on the data, a single person in Warren County, MO would need approximately $2,994 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $77,989 per year ($6,499 per month). Warren County is relatively affordable compared to the national average.

How much does healthcare cost in Warren County?

The ACA marketplace benchmark premium in Warren County, MO is approximately $480 per month for an individual. Approximately 8.2% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.

What are house prices in Warren County?

The average home value in Warren County, MO is $241,200, with average annual property taxes of $1,780, according to U.S. Census Bureau data.

How does Warren County compare to other areas?

You can compare Warren County, MO with any other US county using our comparison tool at /compare. Warren County is in the St. Louis, MO-IL metro area.

Other counties in Missouri

Browse the full list of counties in Missouri, ranked by cost of living.

See all counties in Missouri

Compare Warren County with another area

Put two counties side by side to see how rent, taxes and everyday costs stack up.

About this data

All figures on this page come from official U.S. government sources, listed below.

  • HUD FMR FY2025
  • ACS 2019-2023 5-Year
  • EIA
  • ACS + national avg
  • ACS
  • USDA + BEA RPP
Methodology All data sources