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Clay County, Illinois

Clay County, Illinois · ZIP 62426, 62434, 62443

  • Census data · ACS 2019-2023
Browse the 18 townsFind my townSponsor a town here
  • 12,821 (2024 estimate)Population
  • 5,431Households
  • $57,266Median household income
  • $94,300Median home value
  • 18Towns with a page
  • 10ZIP codes

Clay County in numbersOfficial sources, refreshed yearly

Population, 2000 to 2020−8.7%
13k13.5k14k14.5k15k2000: 14,56020002010: 13,81520102020: 13,288202014,56013,288
Population of Clay County at each census
CensusPopulation
200014,560
201013,815
202013,288

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, county level, state 17, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 17, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 17, retrieved November 14, 2026.

Household income in Clay County
Under $50k43.5%
$50k to $100k33.2%
$100k to $150k12.5%
$150k to $200k6.3%
$200k and over4.6%

Median household income $57,266 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 17, retrieved November 14, 2026.

Housing tenure in Clay County
Owner occupied
4,383 units
Renter occupied
1,048 units
Vacancy rate
11.6%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, county level, state 17, retrieved November 14, 2026.

Jobs by sector in Clay County2023
Manufacturing1,880
Health care and social assistance667
Retail trade563
Accommodation and food services252
Administrative and support and waste management and remediation services208
Other services (except public administration)175
Transportation and warehousing175
Wholesale trade140

4,623 employees in 322 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.

Source: County Business Patterns 2023: employment by sector, county level, state 17, retrieved November 14, 2026.

Clay County compared with its state
Clay County compared with its state, American Community Survey 2019-2023
MeasureClay CountyIllinois
Population13,17312,692,653
Median household income$57,266$81,702
Median age41.538.9
Median home value$94,300$250,500
Bachelor’s degree or higher15.6%37.2%
Foreign-born residents0.2%14.4%
Owner-occupied homes80.7%66.8%
Mean commute to work26.1 minutes28.1 minutes

Source: American Community Survey 5-year data profile 2019–2023, county level, state 17, retrieved November 14, 2026.

Townships, towns and villages in Clay County18 with a page · sort by any column

Type
Harter TownshipTownship5,93255.8 sq mi
FloraCity4,6474.69 sq mi
Louisville TownshipTownship1,64536.4 sq mi
LouisvilleVillage1,1070.83 sq mi
Clay City TownshipTownship1,09540.2 sq mi
Clay CityVillage8191.78 sq mi
Xenia TownshipTownship62318.6 sq mi
Blair TownshipTownship59636.2 sq mi
Stanford TownshipTownship58153.0 sq mi
Larkinsburg TownshipTownship56037.1 sq mi
Pixley TownshipTownship52545.1 sq mi
XeniaVillage3700.49 sq mi
Songer TownshipTownship33637.4 sq mi
Oskaloosa TownshipTownship33237.4 sq mi
Hoosier TownshipTownship30735.6 sq mi
Bible Grove TownshipTownship28935.5 sq mi
IolaVillage960.96 sq mi
Sailor SpringsVillage910.26 sq mi

Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 17 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.

County officialsFrom public records

No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.

Across Clay County

Jobs across Clay County

No job is posted in Clay County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.

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Events in the next 31 days

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Latest postsRolled up from the towns

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Neighboring counties

Neighboring counties

Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 17, retrieved November 14, 2026.