Aurora IL vs San Marcos TX — Cost of Living, Crime & Income Comparison 2026

Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)

Aurora, IL

Illinois · Population: 24,510

  • Median HH Income$62,462
  • Median Home Price$320,635
  • Unemployment7.1%
  • Bachelor's+13.2%

San Marcos, TX

Texas · Population: 99,507

  • Median HH Income$64,146
  • Median Home Price$313,452
  • Unemployment3.2%
  • Bachelor's+24.9%

Detailed Comparison

Demographics

Population
Aurora
24,510
San Marcos
99,507
San Marcos +
Pop. Density / sq mi
Lower = more space
Aurora
N/A
San Marcos
N/A
Median Age
Aurora
39.7
San Marcos
35.2
San Marcos +
Foreign Born
Aurora
14.1%
Aurora +
San Marcos
5.8%
White
Aurora
63.2%
San Marcos
66.6%
San Marcos +
Black
Aurora
2.6%
San Marcos
4.3%
San Marcos +
Asian
Aurora
1.5%
Aurora +
San Marcos
1.4%
Hispanic
Aurora
37.1%
San Marcos
42.2%
San Marcos +
Spanish at Home
Aurora
N/A
San Marcos
N/A

Economy

Median HH Income
Aurora
$62,462
San Marcos
$64,146
San Marcos +
Per Capita Income
Aurora
$32,181
San Marcos
$33,835
San Marcos +
Per Capita Personal Income (MSA)
BEA MSA-level
Aurora
$68,110
Aurora +
San Marcos
$63,758
Unemployment Rate
Aurora
7.1%
San Marcos
3.2%
San Marcos +
Poverty Rate
Aurora
15.5%
San Marcos
11.9%
San Marcos +
Bachelor's Degree+
Aurora
13.2%
San Marcos
24.9%
San Marcos +

Housing

Median Home Value
Zillow ZHVI / Census ACS
Aurora
$320,635
San Marcos
$313,452
San Marcos +
Homeownership Rate
Aurora
73.6%
Aurora +
San Marcos
63.3%

Safety

Violent Crime / 100K
FBI CDE (state-level est.)
Aurora
344
Aurora +
San Marcos
442
Property Crime / 100K
FBI CDE (state-level est.)
Aurora
1842
Aurora +
San Marcos
2339

Health

Obesity Rate
CDC PLACES
Aurora
35.9%
San Marcos
33.6%
San Marcos +
Diabetes Rate
CDC PLACES
Aurora
11.4%
San Marcos
7.9%
San Marcos +
Poor Mental Health
CDC PLACES — 14+ days/month
Aurora
15.9%
Aurora +
San Marcos
22.3%
No Health Insurance
CDC PLACES
Aurora
15.2%
Aurora +
San Marcos
19.7%
Binge Drinking
CDC PLACES
Aurora
17.5%
Aurora +
San Marcos
19.7%
Current Smokers
CDC PLACES
Aurora
11.7%
San Marcos
11.0%
San Marcos +

Climate

Avg Annual Temp
NOAA 1991–2020 normal
Aurora
50.2°F
Aurora +
San Marcos
68.5°F
Annual Precipitation
NOAA 1991–2020 normal
Aurora
37.7 in
San Marcos
35.7 in
San Marcos +

Air Quality

PM2.5 Annual Avg
EPA AQS (state-level est.)
Aurora
9.4 µg/m³
San Marcos
9.2 µg/m³
San Marcos +
Good Air Days
AQI ≤ 50
Aurora
55.0%
San Marcos
55.0%
Tie

Commute

Mean Commute Time
Census ACS
Aurora
26.6 min
San Marcos
19.0 min
San Marcos +

Which City is Right for You?

San Marcos leads in median household income at $64,146, while san Marcos offers more affordable housing with a median home price of $313,452. On public safety, Aurora is safer with a violent crime rate of 344 per 100,000 residents, compared to 442 in San Marcos. San Marcos has a lower unemployment rate at 3.2%, and San Marcos has cleaner air (PM2.5 avg 9.2 µg/m³). For overall health outcomes, San Marcos scores better with a lower obesity rate of 33.6%.

Compare More Cities

About Aurora & San Marcos