States · Illinois · Clay County

Clay City, Illinois.

Typical home $104,765 (+7.0% in a year).

What it costs per month · Clay City $550/mo

to buy the typical home at today's mortgage rate — +$249 (+83%) since Jan 2020.

What the home itself did
1 year
Up $6,879 +7%
$97,886$104,765 since Sep 2025
5 years
Up $13,319 +15%
$91,445$104,765 since Sep 2021

Monthly payment to buy the typical home

Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.

$500 $1,000 $1,500 $2,000 2002 2006 2010 2014 2018 2022 2026 Clay City $550 Illinois $1,553 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • Clay City$550
  • Illinois$1,553
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 25 years.

Typical home values in Clay City, IL rose 7.0% over the past year — faster than the nation's +1.2%.

Living in Clay City, Clay County, Illinois

Clay City is a village of 847 people in Clay County. Half its households earn more than $53,472 a year and half less, against $60,417 across Clay County. Unemployment in Clay County was 3.6% in August 2026, and the county had 1.4% more jobs in 2025 than the year before. The most people in Clay County work in schools and health care, then manufacturing.

People 847 in the 2020 census
Household income $53,472 the median, give or take $12,745 · Clay County: $60,417
Unemployment 3.6% Clay County, August 2026; 5.1% a year before
Homes Too few homes in Clay City for the Census survey to measure.

Written by AI Claude Sonnet 5.5 wrote this on 23 October 2026 from the figures here, a list of nearby places and what it knows. It can be wrong or out of date.

What it’s like

The place. Clay City is a small village in Clay County, Illinois, where neighbors tend to know one another. Household incomes here run below the county's, and homes are modestly priced. Very few adults hold a four-year degree. Winters are cold, with some snow, and summers turn hot, with steady rain and melted snow through the year.

Work. Residents work mostly in schools, hospitals and social care, with manufacturing, shops, and professional and business services also employing many. Across Clay County, some of the largest workplaces are North American Lighting, Flora CUSD 35 and Clay County Hospital. Unemployment across the county is lower than it was a year ago, and the county has added a few more jobs.

Things to do. The closest outdoor places are all a longer drive away. Red Hills State Park is a protected area, and Newton Lake State Fish and Wildlife Area is another, both suited to a day out in nature. The Fox River is a river to visit for time by the water.

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  • 277households
  • 4%of adults have a degree

What people in Clay County work in

  • Schools, hospitals and social care25%
  • Manufacturing22%
  • Shops (retail)11%
  • Professional and business services7%
  • Restaurants, hotels and entertainment7%
  • Building trades6%

Employed residents by industry, from the Census survey. Clay County had 4,691 jobs in 2025, 1.4% more than the year before (Bureau of Labor Statistics).

Weather through the year

Average daily high and low for each month: coldest in January, 39° and 21°; warmest in July, 89° and 66° 20° 40° 60° 80° J 39° 21° F M A M J J 89° 66° A S O N D
Average daily high and low for each month: coldest in January, 39° and 21°; warmest in July, 89° and 66° 20° 40° 60° 80° J 39° 21° F M A M J J 89° 66° A S O N D

Coldest in January, with highs near 39° and lows near 21°; warmest in July, with highs near 89° and lows near 66°. About 12 inches of snow and 48 inches of rain and melted snow a year.

Average daily high and low, 1991–2020, at the Flora weather station, 7 miles away (NOAA).

Largest workplaces in Clay County

  1. North American LightingMotor vehicle electrical and electronic equipment manufacturing772
  2. Hella ElectronicsCruise control mechanisms, electronic, automotive, truck, and bus, manufacturing404
  3. Flora CUSD 35School district229FTE
  4. WalmartWarehouse clubs and supercenters211
  5. Clay County HospitalCritical access hospital187FTE
  6. ELT TransportGeneral freight trucking, local185
  7. The Sherwin-Williams CompanyPaint and coating manufacturing131
  8. North Clay CUSD 25School district114FTE

Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 16 workplaces with 20 or more staff, 2,199 people in all across the county; Clay City has none of its own. School districts come from the Common Core of Data (NCES, 2023–24) and hospitals from their Medicare cost reports (CMS, 2023); FTE marks full-time equivalent staff. Not listed: many offices and banks, which need not report to OSHA; military bases, whose staff OPM withholds; and, in about half the states, city and county governments.

Natural hazards

  1. DroughtRelatively high
  2. Strong windRelatively high
  3. Heat wavesRelatively high
  4. Inland floodingRelatively high
  5. Winter weatherRelatively high
  6. Cold wavesRelatively high

FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Clay City’s census tracts, against the rest of the country; all of them together, relatively high. It is meant for planning, not a substitute for a local risk assessment or a flood map: FEMA’s index.

From the U.S. Census Bureau’s 2020 census and its American Community Survey (2020–2024 five-year estimates), and the Bureau of Labor Statistics. A survey, so each figure has a margin of error, and figures it is not sure of are left out. More on Clay County.

Clay City home values

Zillow measures a city over its municipal boundary. Against the state and national figures, mid-tier homes, smoothed and seasonally adjusted.

$100,000 $200,000 $300,000 2018 2020 2022 2024 2026 Clay City $104,765 Illinois $295,943 United States $366,157
$100,000 $200,000 $300,000 2018 2022 2026
  • Clay City$104,765
  • Illinois$295,943
  • United States$366,157

When this market ran hot

Each cell is that month's year-on-year home-value growth. Read left to right, top row is the latest year — the 2021–22 band is the boom.

JFMAMJJASOND
2026
2025
2024
2023
2022
2021
2020
2019
2018
falling flat warming hot overheating runaway

Market heat, inside the city limits

Homes for sale

Active for-sale inventory. More supply hands power to buyers.

Not enough data to draw this yet.

Zip codes with a Clay City address

A different geography, not a breakdown. The figure above covers the municipality; these zips cover everywhere the Post Office calls Clay City — often including townships beyond the city limits. Both come straight from Zillow, and they are not expected to average out.

Zip codes in Clay City