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Le Mars, IA

Cost of living in Plymouth County, IA

Estimated monthly cost
$2,890/mo
for a single person, all categories combined

Population 25,699 · Last updated May 21, 2026

Cost breakdown

Single person, by category, per month.

Rent $730 25%
Federal tax $602 21%
Healthcare $480 17%
Transport $320 11%
Groceries $315 11%
State tax $198 7%
Energy $195 7%
Water $50 2%

Rent in Plymouth County

Fair Market Rents by bedroom count.

Studio
$672
per month
1 bedroom
$730
per month
2 bedroom
$900
per month
3 bedroom
$1,227
per month
4 bedroom
$1,260
per month

Source: HUD FMR FY2025

Income and earnings in Plymouth County

Annual earnings figures from the Census ACS.

Household income
$81,600
per year
Individual earnings
$46,890
per year
Per capita
$42,241
per year

Source: ACS 2019-2023 5-Year.

Home values in Plymouth County

Average values reported by homeowners.

Average home value
$218,600
Annual property tax
$2,363

Source: ACS 2019-2023 5-Year

Energy costs in Plymouth County

Estimated monthly electricity and gas costs.

Electricity
$134
per month · 15.8¢/kWh
Natural gas
$61
per month
Annual total
$2,340
per year

Source: EIA

Healthcare in Plymouth County

Insurance premiums and coverage rates.

Individual premium
$480
per month
Family premium
$1,350
per month
Uninsured rate
5.6%

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 Plymouth County

State and local tax rates for Iowa.

State income tax
5.7%
Top marginal rate
State sales tax
6.0%
Combined sales tax
6.9%
incl. average local

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

Transportation in Plymouth County

Commute patterns and estimated costs.

Average commute
18.8 min
Drive alone
79.3%
Public transit
0.4%
Work from home
8.6%

Source: ACS

Monthly cost estimates for Plymouth County

What it costs to live in Plymouth County each month.

Single person
$2,890
per month
  • Rent $730
  • Energy $195
  • Water $50
  • Groceries $315
  • Transport $320
  • Healthcare $480
  • Federal tax $602
  • State tax $198
Couple
$4,369
per month
  • Rent $900
  • Energy $234
  • Water $60
  • Groceries $522
  • Transport $420
  • Healthcare $864
  • Federal tax $1,006
  • State tax $363
Family
$6,820
per month
  • Rent $1,227
  • Energy $292
  • Water $70
  • Groceries $792
  • Transport $520
  • Healthcare $1,350
  • Childcare $1,200
  • Federal tax $1,006
  • State tax $363

Frequently asked questions about Plymouth County

Common questions about cost of living, rent and salary.

What is the average rent in Plymouth County?

In Plymouth County, IA, a one-bedroom apartment averages $730 per month, a two-bedroom averages $900 per month, a three-bedroom averages $1,227 per month, according to HUD Fair Market Rent data.

What is the average salary in Plymouth County?

In Plymouth County, IA, the average household income is $81,600 per year and individual earnings for full-time workers average $46,890 per year, according to U.S. Census Bureau data.

What is the cost of living in Plymouth County?

The estimated cost of living in Plymouth County, IA is approximately $2,890 per month for a single person, $4,369 for a couple, $6,820 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.

What is the sales tax rate in Plymouth County?

The combined sales tax rate in Plymouth County, IA is 6.94%, which includes the Iowa state rate of 6.00% plus an average local rate of 0.94%.

Is Plymouth County an affordable place to live?

Based on the data, a single person in Plymouth County, IA would need approximately $2,890 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $81,600 per year ($6,800 per month). Plymouth County is relatively affordable compared to the national average.

How much does healthcare cost in Plymouth County?

The ACA marketplace benchmark premium in Plymouth County, IA is approximately $480 per month for an individual. Approximately 5.6% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.

What are house prices in Plymouth County?

The average home value in Plymouth County, IA is $218,600, with average annual property taxes of $2,363, according to U.S. Census Bureau data.

How does Plymouth County compare to other areas?

You can compare Plymouth County, IA with any other US county using our comparison tool at /compare. Plymouth County is in the Le Mars, IA metro area.

Other counties in Iowa

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

See all counties in Iowa

Compare Plymouth 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