Housing data for ZIP code 61231

ZIP code 61231 has an estimated 4,962 residents and 2,317 homes (US Census Bureau, 2020–2024 American Community Survey).

Most of its land lies in Mercer Township, Mercer County.

27.8% of households rent.

The median gross rent is $815 (±$44) a month.

The median home value is $147,600 (±$11,462).

The median household income is $70,991 (±$8,292) a year.

Figures last updated on .

Residents
4,962 (±238)
Median gross rent
$815
Median home value
$147,600
Households that rent
27.8%

How ZIP code 61231 compares

Estimate (90% margin of error)
ZIP 61231Mercer TownshipMercer CountyIllinoisUnited States
Residents4,962 (±238)3,91715,49512,694,798334,922,499
Housing units2,317 (±155)1,8157,2855,457,452143,775,355
Households that rent27.8% (±6.7 points)30.8%16.2%32.9%34.8%
Median gross rent$815 (±$44)$810$786$1,274$1,413
Median home value$147,600 (±$11,462)$147,400$146,700$263,300$332,700
Median household income$70,991 (±$8,292)$71,042$74,182$83,390$80,734
Median real estate taxes (a year)$3,079 (±$279)$3,145$2,878$5,298$3,119
Renters paying 30% or more of income35.3% (±12.8 points)34.4%37.6%47.9%51.1%
Built before 198080.2% (±9.1 points)82.1%77.2%63.4%49.7%
Average commute21.3 minutes (±2.7)18.8 minutes28.1 minutes27.8 minutes26.4 minutes
Households with broadband91.2% (±3.5 points)91.2%90.5%90.8%91.0%
Median age of residents42.2 years (±2.8)38.6 years44.7 years39.0 years38.9 years

In ZIP 61231, median gross rent is not measurably different from Mercer County ($786).

It is also lower than in Illinois ($1,274).

It is lower than the national figure ($1,413).

The median gross rent in ZIP code 61231 is not measurably different from Mercer Township as a whole ($810).

Its median home value is not measurably different from Mercer Township as a whole ($147,400).

Among the 11 ZIP codes in Mercer County with a published estimate, ZIP 61231 ranks 6 from highest to lowest median gross rent.

Among the 13 ZIP codes in Mercer County with a published estimate, ZIP 61231 ranks 3 from highest to lowest median home value.

Among the 13 ZIP codes in Mercer County with a published estimate, ZIP 61231 ranks 9 from highest to lowest median household income.

Rankings use the estimates alone; where margins of error overlap, neighboring ranks may not truly differ.

Rent in ZIP code 61231

Share of rented homes in each gross-rent range, 2020–2024
Monthly gross rentZIP 61231Mercer CountyIllinoisUnited States
Less than $50017.9% (±10.5 points)19.7%7.0%6.3%
$500 to $99968.4% (±13.8 points)63.6%23.5%20.2%
$1,000 to $1,49913.7% (±10.8 points)16.3%32.6%28.1%
$1,500 to $1,9990.0% (±6.1 points)0.3%18.7%21.1%
$2,000 to $2,4990.0% (±6.1 points)0.0%9.6%12.0%
$2,500 to $2,9990.0% (±6.1 points)0.0%4.1%5.5%
$3,000 or more0.0% (±6.1 points)0.0%4.4%6.8%

The most common range is $500 to $999, paid by 68.4% of renting households.

Rent by bedrooms in ZIP code 61231

Median gross rent by number of bedrooms, estimate (90% margin of error)
BedroomsCensus median
1 bedroom$773 (±$440)
2 bedrooms$821 (±$50)
3 bedrooms$962 (±$282)
4 bedrooms$810 (±$71)

Rent burden in ZIP code 61231

Renting households by gross rent as a percentage of household income, 2020–2024
Share of income spent on rentZIP 61231Mercer CountyIllinoisUnited States
Less than 15%26.5% (±13.0 points)24.1%14.4%12.6%
15% to 19.9%13.9% (±12.0 points)15.8%13.4%12.2%
20% to 24.9%13.0% (±9.4 points)9.7%13.1%12.6%
25% to 29.9%11.3% (±9.8 points)12.7%11.2%11.5%
30% to 34.9%4.9% (±5.3 points)11.6%8.9%9.2%
35% or more30.4% (±11.6 points)26.0%39.0%41.9%

35.3% (±12.8 points) of renting households in ZIP code 61231 spend 30% or more of their income on gross rent.

Home values in ZIP code 61231

Owner-occupied homes by value, 2020–2024
ValueZIP 61231Mercer CountyIllinoisUnited States
Less than $50,0005.2% (±2.9 points)9.6%5.4%5.3%
$50,000 to $99,99917.5% (±4.7 points)19.4%8.3%6.1%
$100,000 to $149,99928.6% (±6.1 points)22.2%9.7%6.8%
$150,000 to $199,99917.8% (±6.5 points)16.8%11.8%9.0%
$200,000 to $299,99920.7% (±6.8 points)19.8%22.3%17.8%
$300,000 to $499,9999.4% (±4.1 points)10.2%27.7%26.9%
$500,000 to $999,9990.7% (±1.0 points)1.5%12.1%20.9%
$1,000,000 or more0.0% (±2.4 points)0.5%2.7%7.1%

Value is the owner’s own estimate of what the home and lot would sell for, not a sale price or an assessment.

The homes in ZIP code 61231

Housing units by units in structure, 2020–2024
Building typeZIP 61231Mercer CountyIllinoisUnited States
Single-family, detached80.8% (±5.1 points)87.9%58.2%61.3%
Single-family, attached (townhouse, rowhouse)2.2% (±2.2 points)1.0%6.1%6.2%
2 units1.6% (±1.5 points)0.7%5.2%3.4%
3 or 4 units5.3% (±3.1 points)2.9%6.4%4.3%
5 to 9 units5.6% (±4.0 points)2.8%6.3%4.5%
10 to 19 units0.0% (±1.6 points)0.5%4.0%4.3%
20 or more units3.8% (±2.5 points)1.2%11.5%10.3%
Mobile home0.8% (±0.9 points)2.9%2.3%5.6%
Boat, RV, van, etc.0.0% (±1.6 points)0.0%0.0%0.1%

When the homes in ZIP code 61231 were built

Housing units by year structure built, 2020–2024
Year builtZIP 61231Mercer CountyIllinoisUnited States
2020 or later0.4% (±0.7 points)0.2%0.7%2.0%
2010 to 20191.9% (±1.5 points)3.0%5.0%9.4%
2000 to 20096.3% (±3.9 points)6.8%11.2%13.6%
1990 to 19995.6% (±3.6 points)7.5%10.5%12.4%
1980 to 19895.6% (±3.0 points)5.2%9.2%12.9%
1970 to 197915.1% (±3.5 points)17.8%14.2%14.2%
1960 to 196913.6% (±4.3 points)11.8%11.5%9.9%
1950 to 195912.8% (±3.9 points)10.6%11.9%9.5%
1940 to 19496.2% (±3.1 points)6.4%5.6%4.4%
1939 or earlier32.5% (±5.3 points)30.6%20.2%11.7%

80.2% of the homes in ZIP code 61231 were built before 1980, so many fall under the federal lead-paint disclosure rules for homes built before 1978.

Heating fuel in ZIP code 61231

Occupied housing units by house heating fuel, 2020–2024
Fuel used mostZIP 61231Mercer CountyIllinoisUnited States
Utility gas60.1% (±5.6 points)60.4%75.3%46.5%
Fuel oil, kerosene, etc.1.4% (±1.9 points)1.0%0.1%3.9%
Electricity15.7% (±4.6 points)12.7%18.6%41.3%
Bottled or tank gas (propane)21.5% (±4.2 points)23.2%4.2%4.9%
Wood0.5% (±0.7 points)1.0%0.3%1.4%
Solar energy0.0% (±1.7 points)0.1%0.1%0.3%
Coal or coke0.0% (±1.7 points)0.0%0.0%0.1%
Other fuel0.2% (±0.5 points)1.1%0.5%0.5%
No fuel used0.6% (±0.9 points)0.6%0.8%1.2%

How people in ZIP code 61231 get to work

Workers 16 and over by means of transportation to work, 2020–2024
Means of transportationZIP 61231Mercer CountyIllinoisUnited States
Drove alone82.6% (±5.5 points)79.1%65.9%68.8%
Carpooled4.8% (±3.0 points)8.0%7.8%8.5%
Public transportation0.0% (±1.5 points)0.0%5.8%3.2%
Walked2.8% (±2.3 points)2.4%2.8%2.4%
Other means (bicycle, taxi, motorcycle)0.0% (±1.5 points)0.4%1.9%2.0%
Worked from home9.9% (±4.0 points)10.1%15.9%15.1%

Workers who live in ZIP code 61231 take an average of 21.3 minutes to get to work.

Places in ZIP code 61231

Places whose land overlaps this ZIP code, with the share of the ZIP’s land in each
PlaceShare of the ZIP’s land in this placeMedian gross rentHouseholds that rent
Mercer Township23%$81030.8%
Ohio Grove Township16%—5.9%
Perryton Township15%—22.3%
Preemption Township12%$7868.8%
Duncan Township11%—0.0%

A township or a New York town includes the villages inside it, so their shares can add up to more than the whole.

ZIP codes near 61231

Nearest ZIP codes with Census figures, by straight-line distance between their internal points
ZIP codeDistanceMedian gross rentMedian home valueMedian household incomeHouseholds that rent
612637.4 mi$856$134,800$86,50011.4%
614867.4 mi$1,000$134,800$78,8899.8%
612798.0 mi$1,125$161,500$87,65612.2%
612609.0 mi$643$96,700$41,64526.1%
6147610 mi$1,097$122,500$88,2646.6%
6127610 mi—$89,000$87,7500.0%
6141212 mi$920$117,600$82,14312.5%
6128112 mi$763$224,000$102,6397.6%

ZIP code 61231 is reported as ZIP Code Tabulation Area 61231: the Census Bureau’s area built from census blocks to match the ZIP code’s delivery area as closely as it can.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about ZIP 61231

What is the median rent in ZIP code 61231?

The median gross rent in ZIP Code Tabulation Area 61231 is $815 (±$44) a month (2020–2024 American Community Survey).

What is the median home value in ZIP code 61231?

The median value of owner-occupied homes in ZIP code 61231 is $147,600 (±$11,462) (2020–2024 American Community Survey).

What is the median household income in ZIP code 61231?

The median household income in ZIP code 61231 is $70,991 (±$8,292) a year (2020–2024 American Community Survey).

What town is ZIP code 61231 in?

Most of ZIP code 61231’s land lies in Mercer Township; it also covers Ohio Grove Township, Perryton Township, Preemption Township, Duncan Township.

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for ZCTA5 61231 (zip code tabulation area:61231).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP05_0001E, DP05_0001M, DP04_0134E, DP04_0134M, DP04_0089E, DP04_0089M, DP03_0062E, DP03_0062M, DP04_0047PE, DP04_0047PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.

Figures last updated on .

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