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Johnson County land: parcels

12,606 parcels

On the county tax roll

  • Acres on the roll213,660
  • In a FEMA flood zoneNot on the digital map100% of parcels here are outside FEMA's digital flood map

Property tax calendar

Illinois 2026 taxes are billed in 2027: the first installment is due no earlier than June 1, 2027.

First installment
Not before June 1, 2027The date on the county's bill; late taxes bear 1.5% a month
Second installment
Not before September 1, 2027The date on the county's bill
Assessment appeals
30 days after the assessment list is publishedFile with the county board of review

Sources: Illinois Property Tax Code 35 ILCS 200/21-15, 35 ILCS 200/21-25, 35 ILCS 200/21-30 and 35 ILCS 200/16-55. Checked Oct 13, 2026.

Free account: 25 parcel cards a day on the map, with sale history, road access and elevation. Get started free

What land sells for in Johnson County

Land here sold for $2,700–$5,600 an acre (15 sales, Oct 2025–Sep 2026)

SizeMiddle halfMedianSalesMonths
Lots under 1 acre$3,100–$7,000 a lot$5,20014Oct 2025–Sep 2026
1 to 10 acres$8.0k–$30.6k an acre$12.8k14Oct 2025–Sep 2026
10 acres or more$2,700–$5,600 an acre$4,80015Oct 2025–Sep 2026

The middle half (25th to 75th percentile) and the median of arm's-length single-parcel land sales. Source: Illinois Department of Revenue PTAX-203 declarations, land or farm at the sale, screen S1. Recorded sales, not an estimate of any parcel.

No zoning layer for Johnson County yet. Zoning here is set town by town.

Around Johnson County

Towns in Johnson County

  • Goreville917 parcels
  • Vienna777 parcels
  • New Burnside177 parcels
  • Cypress172 parcels
  • Buncombe155 parcels
  • Belknap134 parcels

Flood zones and wetlands

  • Parcels at least 25% wetland3.1%

Recorded flood claims in Johnson County

Fewer than 10 insured flood claims were recorded in Johnson County from 1978 to Sep 2026. FEMA counts claims on buildings with NFIP flood insurance, so land without an insured building never shows here.

This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data.

Farmland rent in Johnson County

Cropland in Johnson County rents for about $129 an acre a year (USDA, 2025).

Cropland rent
$129 an acrenon-irrigated, 2025; $52 in 2021
Pasture rent
$37 an acre2026; $21 in 2022

No farmland rent-to-price figure: 9 sales of farmland of 10 acres or more here in the last three years, and a fair median needs 10.

Rent: USDA NASS county cash rents survey, 2026 (released August 21, 2026), public domain. Farmland rent in every Illinois county →

What land here is worth and produces

Published land values, crops, forest and farm programs for Johnson County

Farmland value (Census of Agriculture)
$4,327 an acreAverage value of land and buildings on the county's farms, 2022 · USDA NASS 2022 Census of Agriculture
Farms
568 farms on 108,064 acresAverage 190 acres, median 79; 51,338 acres of cropland; 29,518 of pasture; 28,785 of woodland, 2022 · USDA NASS 2022 Census of Agriculture
What the farms sell
grains and soybeans 58% · cattle 24% · hay and other field crops 8%Share of the $28.9 million of farm products sold in 2022 · USDA NASS 2022 Census of Agriculture
Crops grown
soybeans 51% · corn 19% · hay (other than alfalfa) 8%Share of the county's 34,786 acres of crops and hay, 2025 · USDA NASS Cropland Data Layer 2025, classified from satellite imagery
Land cover
cropland 14% · grass, hay and pasture 24% · forest 47% · wetlands 6% · developed 6% · water 1%Share of the county's 223,278 acres of land and water, 2025 · USDA NASS Cropland Data Layer 2025, classified from satellite imagery
Forest
104,629 acres, 47% of the countyDeciduous 90% of the forest; woody wetlands counted apart · USDA NASS Cropland Data Layer 2025, classified from satellite imagery
Conservation Reserve (CRP)
7,148 acres, average $86 an acre a yearAcres under contract at the end of fiscal year 2025, paid a yearly rent to keep them in grass or trees instead of crops; a new contract's county average soil rental rate is $103 an acre for 2026 · USDA FSA Conservation Reserve Program statistics
Timber price (black walnut)
$1,710 a thousand board feetStumpage, statewide average stumpage, Fall-Winter 2025 (−6.0% on Spring-Summer 2025); white oak $730; red oak $320; cherry $300 · Illinois Timber Prices, Illinois Department of Natural Resources, Division of Forest Resources (survey of timber buyers and mills)
Farmland assessment
Farmland assessment by soil productivityLand farmed for the two prior years is assessed on the certified value of its soils' productivity index, not its market value. · 2027 certified values: cropland at least $166.03 an acre; pasture one third of cropland; other farmland one sixth (Illinois Department of Revenue, April 20, 2026). · 35 ILCS 200/10-110 to 10-160

Sources: USDA NASS 2022 Census of Agriculture (2022) · USDA NASS Cropland Data Layer (2025) · USDA FSA Conservation Reserve Program statistics (2025) · Illinois Timber Prices, Fall-Winter 2025 · Farmland assessment by soil productivity. Published survey and census figures for the area, not an appraisal of any parcel.

People and new homes in Johnson County

  • Population13,363July 2025 estimate, +0.4% since 2020
  • Median household income$62,5282020–2024 average, ±$6,968
  • New homes permitted02025, 0 single-family
  • Permitted so far in 20260Jan–Aug, against 0 a year earlier

U.S. Census Bureau, Population Estimates Program, Vintage 2025 (May 2026); U.S. Census Bureau, American Community Survey 2020-2024 5-year (B19013) (Jan 2026); U.S. Census Bureau, Building Permits Survey (Sep 2026).

Illinois land market report · Illinois land prices by quarter

Land in Johnson County by useLand use on the county roll
Land classParcelsShare
Farm and timber5,05640%
Building on record4,64137%
Other or not coded2,40119%
Institutional5054%
Residential lot3under 0.1%

5,056 farm and timber parcels cover 156,929 acres. County tax roll, as of Oct 2026; land class read from the roll's land-use and building fields.

Typical lot sizeThe typical lot, from the roll

The median parcel in Johnson County is 2.05 acres (12,604 parcels with a size).

Acres from the county roll, or from the parcel's own outline where the roll's figure is off by more than three times. Condominium units that share one point (each carrying the whole complex's acres) are left out of the lot sizes.

Land parcels in Johnson CountyFarm and timber parcels to start with

Farm and timber parcels of an acre or more, each with its own page of public roll facts.

Every parcel page in Johnson County (675), 100 to a page

Questions about Johnson County landAnswers from the public records
How many parcels are in Johnson County, IL?

12,606 parcels on the Johnson County parcel layer (pulled Oct 2026), covering 213,660 acres.

Is vacancy verified in Johnson County, IL?

Vacancy not verified: each parcel page says whether the county roll or building footprints show a building.

What is the typical lot size in Johnson County?

The median parcel is 2.05 acres, from 12,604 parcels with a recorded size.

How much of Johnson County is in a flood zone?

100% of parcels here are outside FEMA's digital flood map (National Flood Hazard Layer, as of Oct 2026), so we print no flood-zone share. An older paper FEMA map may still apply; ask the county floodplain office before you buy.

Are there wetlands in Johnson County?

3.1% of parcels are a quarter or more wetland on the USFWS National Wetlands Inventory, a mapping guide, not a legal delineation.

How many people live in Johnson County?

About 13,363 (Census estimate for July 1, 2025), +0.4% since 2020.

How many new homes are being built in Johnson County?

Building permits authorized 0 new housing units in 2025 and 0 from January to Aug 2026 (against 0 a year earlier) (Census Building Permits Survey).

Where does this data come from?

Parcels: Johnson County parcels: a copy on ArcGIS Online (user jmitchell_HMG) (layer as of Feb 2026). Flood: FEMA National Flood Hazard Layer. Wetlands: USFWS National Wetlands Inventory. Towns: U.S. Census places. Every figure is counted from those files on our map.

About these numbersSources, dates and how these figures are built

Sources

Parcels: Johnson County parcels: a copy on ArcGIS Online (user jmitchell_HMG) (layer as of Feb 2026) (pulled Oct 2026); flood: FEMA National Flood Hazard Layer (as of Oct 2026); wetlands: USFWS National Wetlands Inventory (as of Oct 2026); sales: the county's own file, through Sep 2026; counted on our map built Oct 2026.

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