Decatur, Illinois

Illinois community balancing growth and livability

Midwest Decatur, IL Metro

WhereAtHome Score

79.3

C+

out of 100

Overview

Decatur is an Illinois city with a population of approximately 68,670, part of the Decatur, IL metropolitan area. The median home value is approximately $107,169. Median household income is $49,039.

Key Highlights

  • Population of approximately 68,670 (2023 Census estimate)
  • Median home value of $107,169 (Zillow ZHVI)
  • Median household income of $49,039 (Census ACS)
  • Average commute time of 17.7 minutes
  • Part of the Decatur, IL metro area

Key Metrics

Population 2023

68,670

Source: Census ACS

$107,169

Source: Zillow ZHVI

$49,039

Source: Census ACS

17.7 min

Source: Census ACS

Walk Score 2026

34

Source: Walk Score

85 (100 = U.S. avg)

Source: AreaVibes / BLS

2024 Presidential Election

Macon County (county-level results)

40%
59%
Democrat 18,009
Republican 26,562
Leans R+18.9

Source: County-level results from MIT Election Data + Science Lab. Learn more

Score Breakdown

6 of 6 score factors available. Missing factors are excluded and available weights are rescaled.

Housing Affordability 100/100

Median home value relative to national average (Weight: 20%)

Income vs Housing 100/100

How affordable housing is relative to local incomes (Weight: 20%)

Commute Time 79.7/100

Average commute time compared to national average (Weight: 15%)

Crime 20/100

Overall crime levels based on FBI crime statistics (Weight: 20%)

Walkability 34/100

Walk Score — ease of daily errands on foot (Weight: 15%)

Purchasing Power 45.2/100

Median income relative to national average, adjusted for cost of living (Weight: 10%)

WhereAtHome Score 79.3

Location

Decatur, IL (39.8271, -88.9260)
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Last Updated: 2026-07-01

Data sourced from U.S. Census Bureau, Zillow, FBI Crime Data Explorer, Walk Score, and Niche.