The Town Files

Heritage Lake, Illinois

Community in Tazewell County · population 1,523 (2020 Census)

Map: where Heritage Lake is in IllinoisHeritage Lake
Median home
$207,300
Household income
$133,048
Jan low / Jul high
17° / 86°
Snow a year
24 in
Tornadoes ≤10 mi since 1950
41
Median age
42.1

Heritage Lake is a community of 1,523 people in Tazewell County, Illinois. The median home is worth $207,300, above the typical Illinois town ($156,600). It ranks better for families than 92% of Illinois towns, more upscale than 79% of Illinois towns, easier by car than 71% of Illinois towns.

How Heritage Lake ranks

Percentile among Illinois towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Illinois towns.

Heritage Lake lifestyle rankings vs other Illinois townsRetirement59th pctFamilies92nd pctQuiet59th pctWalkability31st pctFirst-time buyersbottomYoung professionals37th pctVibrancy20th pctHip & trendy16th pctCollege town46th pctUpscale79th pctVacation homesbottomSeaside characterbottomCyclingbottomTransitbottomDriving71st pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Heritage Lake is worth $207,300, above the typical Illinois town ($156,600). Homes cost about 1.6 times the median household income of $133,048, which is more affordable than 85% of Illinois towns. 100.0% of households own their home.

Heritage Lake vs Tazewell County vs typical Illinois townHeritage LakeTazewell CountyTypical Illinois townHome value$207,300$167,500$156,600Household income$133,048$77,982$72,500
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Illinois towns with 500+ people.
HousingHeritage LakeTypical Illinois town
Median home value$207,300$156,600
Median rent—$960
Median household income$133,048$72,500
Home value ÷ income1.6×2.2×
Homeownership100.0%76.6%
Median year built19921967
Seasonal / vacation homes0.0%—

Who lives in Heritage Lake

PeopleHeritage LakeTypical Illinois town
Median age42.140.4
Age 65 and over21.8%18.7%
Under 1824.0%—
Bachelor's degree or higher33.7%21.8%
Below the poverty line7.8%9.9%
Veterans9.9%—
Born outside the U.S.0.0%—
Work from home7.2%8.9%
Average commute31.5 min26.1 min
Homes with broadband96.7%90.4%

Weather in Heritage Lake

July highs average 85.5°F and January lows 17.1°F. About 37.5 inches of rain and melted snow fall a year, with 24.4 inches of snow (typical Illinois town: 24.2 in). Expect about 24 days a year at 90°F or hotter and 134 nights at or below freezing.

Heritage Lake monthly temperatures and precipitation10°20°30°40°50°60°70°80°90°32° freezing33°17°Jan38°21°Feb50°31°Mar63°41°Apr74°52°May83°61°Jun86°65°Jul84°63°Aug80°55°Sep67°43°Oct51°32°Nov39°23°DecPrecipitation (in) · snow (in) in blue2.07.21.87.02.43.03.80.44.84.03.93.73.23.12.61.22.05.6
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Congerville 2Nw station (6.9 mi away); snow from Mackinaw 3Wsw (5.0 mi).

Tornadoes, storms and disasters

41 tornadoes have passed within 10 miles of Heritage Lake since 1950, compared with 27 for the typical Illinois town. 7 rated (E)F2 or stronger. The strongest, an F3, struck on May 10, 2003 about 9.5 miles from the town center. The most recent was on June 11, 2026.

Tornadoes within 10 miles of Heritage Lake by decade11950s21960s51970s31980s101990s122000s12010s72020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 51 times; the largest was 4.50 inches on May 9, 2003.

Severe weather in Tazewell County since 1996

Storm events in Tazewell County since 1996 by typeHail197Flood10Drought17Tornado45High Wind13Ice Storm10Heavy Snow22Flash Flood38
NOAA Storm Events Database, Tazewell County, 1996–2026 (all event types recorded since 1996). 10 deaths recorded.

Tazewell County has been included in 15 federal disaster or emergency declarations since 1953, most often for flood, tornado, hurricane.

DeclaredIncidentDeclaration
March 26, 2020BiologicalDR-4489: Covid-19 Pandemic
March 13, 2020BiologicalEM-3435: Covid-19
November 26, 2013TornadoDR-4157: Severe Storms, Straight-Line Winds, And Tornadoes
May 10, 2013FloodDR-4116: Severe Storms, Straight-Line Winds, And Flooding
March 17, 2011SnowstormDR-1960: Severe Winter Storm And Snowstorm

Jobs and pay in Tazewell County

Tazewell County had 46,883 jobs in 2024, paying an average of $56,089 a year. Unemployment was 4.5% in 2023; in Heritage Lake itself the ACS puts it at 0%.

Largest industries in Tazewell CountyRetail6,691 jobs · $37,877Manufacturing6,282 jobs · $77,331Hotels & restaurants5,473 jobs · $23,539Health care & social assistan…4,339 jobs · $43,725Construction3,101 jobs · $75,240Transportation & warehousing2,830 jobs · $81,959
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Tazewell County, 2000–20230%2%4%6%8%10%12%2000200420082012201620202023Tazewell 4.5%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Towns near Heritage Lake

Heritage Lake questions

Is Heritage Lake, Illinois a good place to retire?

On The Town Files lifestyle rankings, Heritage Lake scores better for retirees than 59% of Illinois towns and quieter than 59%. 21.8% of residents are 65 or older (median age 42.1).

How much does a house cost in Heritage Lake?

The median owner-occupied home in Heritage Lake is valued at $207,300 (Census ACS 2020–2024), against a median household income of $133,048, so homes cost about 1.6 times income. Median rent is — a month.

What is the weather like in Heritage Lake?

July highs average 85.5°F and January lows 17.1°F (NOAA 1991–2020 normals). It gets about 37.5 inches of precipitation a year and 24.4 inches of snow.

Does Heritage Lake get tornadoes?

41 tornadoes have passed within 10 miles of Heritage Lake since 1950 (NOAA Storm Events); the strongest was a F3 on May 10, 2003. The typical Illinois town has had 27.

How this page is made. Every number comes from public data, matched to Heritage Lake's Census boundary (GEOID 1734272). Comparisons use the median of Illinois towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-13.