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Springfield, IL

Cost of living in Sangamon County, IL

Part of the Springfield Metro Area

Estimated monthly cost
$3,074/mo
for a single person, all categories combined

Population 195,217 · Last updated May 21, 2026

Cost breakdown

Single person, by category, per month.

Rent $921 30%
Federal tax $591 19%
Healthcare $480 16%
Groceries $345 11%
Transport $320 10%
State tax $190 6%
Energy $177 6%
Water $50 2%

Rent in Sangamon County

Fair Market Rents by bedroom count.

Studio
$776
per month
1 bedroom
$921
per month
2 bedroom
$1,132
per month
3 bedroom
$1,529
per month
4 bedroom
$1,564
per month

Source: HUD FMR FY2025

Income and earnings in Sangamon County

Annual earnings figures from the Census ACS.

Household income
$74,114
per year
Individual earnings
$46,163
per year
Per capita
$42,851
per year

Source: ACS 2019-2023 5-Year.

Home values in Sangamon County

Average values reported by homeowners.

Average home value
$170,300
Annual property tax
$3,369

Source: ACS 2019-2023 5-Year

Energy costs in Sangamon County

Estimated monthly electricity and gas costs.

Electricity
$116
per month · 16.5¢/kWh
Natural gas
$61
per month
Annual total
$2,124
per year

Source: EIA

Healthcare in Sangamon County

Insurance premiums and coverage rates.

Individual premium
$480
per month
Family premium
$1,350
per month
Uninsured rate
3.8%

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 Sangamon County

State and local tax rates for Illinois.

State income tax
5.0%
Flat rate
State sales tax
6.3%
Combined sales tax
8.8%
incl. average local

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

Transportation in Sangamon County

Commute patterns and estimated costs.

Average commute
19.5 min
Drive alone
78.3%
Public transit
1.1%
Work from home
12.0%

Source: ACS

Monthly cost estimates for Sangamon County

What it costs to live in Sangamon County each month.

Single person
$3,074
per month
  • Rent $921
  • Energy $177
  • Water $50
  • Groceries $345
  • Transport $320
  • Healthcare $480
  • Federal tax $591
  • State tax $190
Couple
$4,449
per month
  • Rent $1,132
  • Energy $212
  • Water $60
  • Groceries $572
  • Transport $420
  • Healthcare $864
  • Federal tax $883
  • State tax $306
Family
$6,991
per month
  • Rent $1,529
  • Energy $266
  • Water $70
  • Groceries $867
  • Transport $520
  • Healthcare $1,350
  • Childcare $1,200
  • Federal tax $883
  • State tax $306

Frequently asked questions about Sangamon County

Common questions about cost of living, rent and salary.

What is the average rent in Sangamon County?

In Sangamon County, IL, a one-bedroom apartment averages $921 per month, a two-bedroom averages $1,132 per month, a three-bedroom averages $1,529 per month, according to HUD Fair Market Rent data.

What is the average salary in Sangamon County?

In Sangamon County, IL, the average household income is $74,114 per year and individual earnings for full-time workers average $46,163 per year, according to U.S. Census Bureau data.

What is the cost of living in Sangamon County?

The estimated cost of living in Sangamon County, IL is approximately $3,074 per month for a single person, $4,449 for a couple, $6,991 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.

What is the sales tax rate in Sangamon County?

The combined sales tax rate in Sangamon County, IL is 8.82%, which includes the Illinois state rate of 6.25% plus an average local rate of 2.57%.

Is Sangamon County an affordable place to live?

Based on the data, a single person in Sangamon County, IL would need approximately $3,074 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $74,114 per year ($6,176 per month). Sangamon County is relatively affordable compared to the national average.

How much does healthcare cost in Sangamon County?

The ACA marketplace benchmark premium in Sangamon County, IL is approximately $480 per month for an individual. Approximately 3.8% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.

What are house prices in Sangamon County?

The average home value in Sangamon County, IL is $170,300, with average annual property taxes of $3,369, according to U.S. Census Bureau data.

How does Sangamon County compare to other areas?

You can compare Sangamon County, IL with any other US county using our comparison tool at /compare. Sangamon County is in the Springfield, IL metro area.

Other counties in Illinois

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

See all counties in Illinois

Compare Sangamon 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