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IL area data

Lanark, IL

Lanark, IL.

Population: 2,794 (Census ACS)

Home values & appreciation

Median home value
$332,293
1-year appreciation
+9.6%
3-year appreciation
+20.2%
5-year appreciation
+44.5%
10-year appreciation
+66.3%
All-time peak (2026-07)
$332,293
House Price Index
325.3 (+6.1% YoY)

Market activity

New listings (monthly)
9

Affordability

Cost of living index (Average)
97.3 (100 = US avg)
Electricity rate (state-level)
17.7¢/kWh
Natural gas rate (state-level)
$11.30/MCF
30-year mortgage rate (national)
6.66%
15-year mortgage rate (national)
6.00%

Schools

Total schools
1
Elementary schools
0
Middle schools
0
High schools
1

Natural hazards & flood risk

Overall hazard risk
Very Low
Top hazards
drought, hail, strongWind

Climate (30-year normals)

Annual precipitation
40.2 in

Amenities

Nearest airport
Swan Valley Farm Airport (4 mi)
Hospitals nearby (~15 mi)
1,090
Avg hospital rating
3.1 / 5
Solar radiation rating
Fair (3.9 kWh/m²/day)

Migration

Net migration
+26 tax filers

Housing stock

Median year housing built
1,981
Median annual property tax
$2,643
Mean commute to work
24 min
Households with broadband internet
62.3%

Employment & development

Total county employment
2,865
Average weekly wage
$807
Top industries (by employment)
Health Care, Wholesale Trade, Other Services
Annual residential building permits (county)
2

Area data compiled from public government, academic, and industry research feeds. Data sources →

Data last updated

Most recent source refresh: Aug 2026. See all data sources →

Data compiled by REAIGENT7 — AI listing platform for real estate agents