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Alden

A township of 1,502 people in McHenry County, Illinois

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Now in Alden

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Around town

The places and views that make it Alden

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The Alden album

0 of 12 shotsNeighbors document Alden together

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Outdoors in Alden

Parks & trails →

Map of Alden: conserved land, trails and the top places to walk

Conserved land9.1%1,928 of 21,142 acres

Trails13 mi0.4 mi per sq mi

Parks & preserves31,284 conserved acres per 1,000 residents

1High Point Conservation Area0.9 mi of trails · 245 acres Directions

2Alden-Sedge Meadow Conservation Area601 acres

3Hackmatack National Wildlife Refuge148 acres

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

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Know Alden

The town at a glance, and the guide to how things work

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About Alden

Census-designated place in Illinois, United States

113Population

1,004 ftElevation

Alden ( AWL-dihn), elevation 1,004 feet (306 m), is an unincorporated community and census-designated place in McHenry County, Illinois, United States. It was named a CDP for the 2020 census, at which time it had a population of 113.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

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Living in Alden

Work & commute in Alden

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Most working residents leave Alden for work: only 1% work in town. The top destinations are Chicago (11%), Harvard (9%) and Woodstock (8%). Half commute less than 26 miles.

Chicago

11%

Harvard

9%

Woodstock

8%

McHenry

4%

1%Work in townlive and work in Alden 26 miWhere do people commute?the commute map 121Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Alden →

Health in Alden

B⁻

Health Grade B−

Healthier than 49% of U.S. towns on seven CDC estimates.

Compared with Illinois

6worse than IL

of 32 measures CDC estimates. The other 26 are too close to call.

Conditions 1▼ 11 close Habits all close Care 3▼ 4 close Mind 1▼ 4 close Everyday needs 1▼ 3 close

BetterToo close to callWorse

What stands out

14.8%More uninsured adultsIL 9.9% · worse 13.5%More older adults who have lost all their teethIL 10.3% · worse 21.8%More adults in fair or poor healthIL 18.6% · worse

Care nearby

Mercy Harvard HospitalHarvard · 4.2 mi · ER · rural critical access

Susana P. Castro Health Center - Dental ClinicHarvard · 4.6 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 60033, 60034 · CMS · HRSAHealth in Alden →

Natural hazards in Alden

Very low

Expected storm and flood damage is higher than in 13% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🥶 Cold waves

0Does Alden flood?no paid flood claims on record NoneDisasters that paid out hereof 14 declared for McHenry County MapAlden vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Alden →

Climate in Alden

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Alden has cold, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 13°, and about 32 inches of snow falls in a normal winter.

31° / 16°Winter

57° / 36°Spring

81° / 59°Summer

60° / 40°Fall

How much snow does Alden get?About 32 inches a winter.Rain & snow →When is the first frost?Around Oct 13, with the last in spring around Apr 30.Frost dates →Is it warmer than it used to be?+1.0° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Alden →

Libraries near Alden

Nearest: Harvard Diggins LibraryHarvard · 3.9 miles · 60 hrs a week

Famous people from AldenWriters, athletes, leaders and more who were born in Alden.Meet them →

Where Alden is

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Imported town boundary

Illinois · IL · McHenry CountyTown boundary on OpenStreetMap →

Around town

Bordering towns

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Alden Hartland Chemung Linn Hebron

SHartland WChemung NELinn EHebron

Where Alden residents work nearby:Hartland 3%Work & commute →

Compare side by side:Alden vs Hartland Alden vs Chemung Alden vs Linn Alden vs Hebron

How things work in Alden

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Town hall & decisionsTrash, recycling & yard wasteUtilities & servicesStreets, parking & getting aroundSafety & preparednessSchools & learningParks, sports & recreationHealth & emergency care