Housing data for Union, IL
Union, IL has an estimated 624 residents and 278 homes (US Census Bureau, 2020–2024 American Community Survey).
It is a village in McHenry County.
12.4% of households rent.
The median gross rent is $1,692 a month.
Figures last updated on .
- Residents
- 624 (±271)
- Housing units
- 278 (±100)
- Households that rent
- 12.4%
- Median gross rent
- $1,692
- Residents since 2015–2019
- −1.6%
What stands out in Union
Homes built before 1980: 83.0% (±21.0 points) in Union, higher than in McHenry County (38.4%).
Working from home: 4.9% (±4.5 points) in Union, lower than in McHenry County (16.1%).
Median real estate taxes: $5,033 (±$1,633) in Union, lower than in McHenry County ($7,274).
Median gross rent: $1,692 (±$207) in Union, higher than in McHenry County ($1,401).
Housing in Union at a glance
- Median rent: $1,692 median gross rent a month (Small sample: wide margin of error)
- Rent burden: 0.0% of renters pay 30% or more of income (Small sample: wide margin of error)
- Renters and owners: 12.4% of households rent (Small sample: wide margin of error)
- Income and affordability: $89,844 median household income
- Home values: $252,200 median home value
- Homeowner costs: $1,649 median monthly cost with a mortgage
- Property taxes: $5,033 median real estate taxes a year
- Types of homes: 0.0% of homes are in buildings of 5 or more units
- Bedrooms: 68.3% of homes have 3 or more bedrooms
- Age of homes: 83.0% of homes were built before 1980
- Vacancy rate: 0.0% rental vacancy rate (Small sample: wide margin of error)
- Heating fuel: 91.1% heat with utility gas
- Commute and cars: 30.3 minutes average trip to work
- Crime reported to police: 0 violent crimes per 100,000 residents (Small sample: wide margin of error)
- Growth: −1.6% residents since 2015–2019 (Small sample: wide margin of error)
- How long people stay: 8.1% moved in since 2020 (Small sample: wide margin of error)
- Crowding and facilities: 1.5% of homes have more than 1 person per room (Small sample: wide margin of error)
Union against McHenry County, its state and the nation
| Union | McHenry County | Illinois | United States | |
|---|---|---|---|---|
| Residents | 624 (±271) | 312,591 (exact) | 12,694,798 (exact) | 334,922,499 |
| Housing units | 278 (±100) | 121,329 (±69) | 5,457,452 (±471) | 143,775,355 |
| Households that rent | 12.4% (±10.1 points) | 17.3% (±1.0 points) | 32.9% (±0.2 points) | 34.8% |
| Median gross rent | $1,692 (±$207) | $1,401 (±$41) | $1,274 (±$5) | $1,413 |
| Median household income | $89,844 (±$29,864) | $104,802 (±$2,178) | $83,390 (±$362) | $80,734 |
| Median home value | $252,200 (±$26,484) | $308,100 (±$3,743) | $263,300 (±$797) | $332,700 |
| Median real estate taxes (a year) | $5,033 (±$1,633) | $7,274 (±$94) | $5,298 (±$22) | $3,119 |
| Built before 1980 | 83.0% (±21.0 points) | 38.4% (±1.3 points) | 63.4% (±0.2 points) | 49.7% |
| Average commute | 30.3 minutes (±4.7) | 30.1 minutes (±0.4) | 27.8 minutes (±0.1) | 26.4 minutes |
| Households with broadband | 90.7% (±6.5 points) | 95.4% (±0.5 points) | 90.8% (±0.1 points) | 91.0% |
| Median age of residents | 39.0 years (±3.0) | 40.7 years (±0.3) | 39.0 years (±0.1) | 38.9 years |
Union covers 0.8 square miles of land, about 746 residents per square mile (Census Bureau Gazetteer).
How Union has changed since 2015–2019
| 2015–2019 | 2020–2024 | Amount of change | Verdict | |
|---|---|---|---|---|
| Residents | 634 (±213) | 624 (±271) | −1.6% | Not a measurable change |
| Housing units | 262 (±75) | 278 (±100) | +6.1% | Not a measurable change |
| Median gross rent | $1,029 (±$492) | $1,692 (±$207) | +64.4% | No measurable change after inflation |
| Median home value | $162,500 (±$19,602) | $252,200 (±$26,484) | +55.2% | Up after inflation |
| Median household income | $67,083 (±$25,018) | $89,844 (±$29,864) | +33.9% | No measurable change after inflation |
| Median owner cost with a mortgage | $1,438 (±$152) | $1,649 (±$218) | +14.7% | No measurable change after inflation |
| Median real estate taxes | $4,113 (±$555) | $5,033 (±$1,633) | +22.4% | No measurable change after inflation |
| Households that rent | 25.8% (±13.2 points) | 12.4% (±10.1 points) | −13.4 percentage points | Not a measurable change |
| Rental vacancy rate | 0.0% (±37.0 points) | 0.0% (±56.3 points) | 0.0 percentage points | Not a measurable change |
The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.
Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.
The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.
Crime reported to police in Union
In 2025, the Union Police Department reported 0 violent and 273 property crimes per 100,000 residents to the FBI.
Across McHenry County, the departments that report recorded 63 violent and 475 property crimes per 100,000 residents that year.
Places near Union
| Place | Distance | Median gross rent | Median home value | Households that rent |
|---|---|---|---|---|
| Coral Township | 2.5 mi | $1,671 | $392,700 | 12.2% |
| Marengo | 2.9 mi | $1,176 | $229,900 | 36.9% |
| Seneca Township | 4.2 mi | — | $408,900 | 5.8% |
| Riley Township | 6.0 mi | — | $365,700 | 4.0% |
| Marengo Township | 6.5 mi | $1,152 | $234,900 | 37.9% |
| Grafton Township | 6.9 mi | $1,721 | $361,800 | 8.2% |
| Huntley | 7.4 mi | $1,622 | $334,300 | 11.1% |
| Dorr Township | 7.7 mi | $1,239 | $266,800 | 28.2% |
Places in Illinois most like Union
| Place | Median gross rent | Median home value | Median household income | Households that rent |
|---|---|---|---|---|
| Bedford Park | $1,841 | $271,700 | $99,000 | 14.9% |
| Boulder Hill | $1,633 | $238,700 | $80,377 | 13.7% |
| Venetian Village | $1,711 | $231,100 | $79,273 | 16.2% |
| Westchester | $1,794 | $327,300 | $98,954 | 9.2% |
| South Holland | $1,856 | $217,200 | $85,280 | 17.2% |
| Pistakee Highlands | $1,906 | $216,800 | $102,986 | 10.4% |
Matched on rent, home value, income, the share who rent, the age of the homes, the share in apartment buildings and the commute, each measured against the spread across Illinois.
HUD Fair Market Rent for Union, fiscal year 2027
| Studio | 1 bedroom | 2 bedrooms | 3 bedrooms | 4 bedrooms |
|---|---|---|---|---|
| $1,678 | $1,780 | $2,011 | $2,586 | $2,954 |
HUD income limits for Union, fiscal year 2026
| Household size | Extremely low (30%) | Very low (50%) | Low (80%) |
|---|---|---|---|
| 1 person | $25,550 | $42,550 | $68,050 |
| 2 people | $29,200 | $48,600 | $77,800 |
| 3 people | $32,850 | $54,700 | $87,500 |
| 4 people | $36,450 | $60,750 | $97,200 |
| 5 people | $39,400 | $65,650 | $105,000 |
| 6 people | $44,360 | $70,500 | $112,800 |
| 7 people | $50,040 | $75,350 | $120,550 |
| 8 people | $55,720 | $80,200 | $128,350 |
These are the limits HUD sets for its housing programs in the Chicago-Joliet-Naperville, IL HUD Metro FMR Area, where HUD’s median family income for fiscal year 2026 is $121,500.
A program can use its own limits; tax-credit and local programs often do.
Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.
Margins of error are at the 90% confidence level.
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Questions about Union
What is the median household income in Union?
The median household income in Union is $89,844 (±$29,864) a year (2020–2024 American Community Survey).
What is the average home value in Union, IL?
The Census Bureau publishes the median: $252,200 (±$26,484) for owner-occupied homes in Union (2020–2024 American Community Survey).
What is the average mortgage payment in Union?
The Census Bureau publishes total owner costs rather than the mortgage alone: the median for owners with a mortgage in Union, IL is $1,649 (±$218) a month, including taxes, insurance and utilities.
How much are property taxes in Union?
The median real estate tax paid by homeowners in Union, IL is $5,033 (±$1,633) a year (2020–2024 American Community Survey).
How many homes are in Union?
Union, IL has an estimated 278 (±100) housing units, occupied and vacant (2020–2024 American Community Survey).
What is the most common home size in Union?
The most common size is 3 bedrooms, 49.6% of homes in Union, IL.
Is Union growing?
In Union, the number of residents went from 634 in 2015–2019 to 624 in 2020–2024 (−1.6%), not a measurable change.
Sources
- Demographic and Housing Estimates (DP05), 2020–2024 ACS 5-year estimates — Union village, Illinois
- Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Union village, Illinois
- Selected Economic Characteristics (DP03), 2020–2024 ACS 5-year estimates — Union village, Illinois
- Median Real Estate Taxes Paid by Mortgage Status (B25103), 2020–2024 ACS 5-year estimates — Union village, Illinois
- Selected Social Characteristics (DP02), 2020–2024 ACS 5-year estimates — Union village, Illinois
- Total Population (B01003), 2015–2019 ACS 5-year estimates — Union village, Illinois
- Median Gross Rent (B25064), 2015–2019 ACS 5-year estimates — Union village, Illinois
- HUD Fair Market Rents, fiscal year 2027: Chicago-Joliet-Naperville, IL HUD Metro FMR Area
- HUD Small Area Fair Market Rents, fiscal year 2027
- HUD Income Limits, fiscal year 2026: Chicago-Joliet-Naperville, IL HUD Metro FMR Area
- FBI Uniform Crime Reporting Program, Crime Data Explorer: Union Police Department (ORI IL0562400)
- FBI: Uniform Crime Reporting statistics and their proper use
- Consumer Price Index for All Urban Consumers (CPI-U), US city average, all items, US Bureau of Labor Statistics: annual averages 2019 and 2024
- US Census Bureau, 2024 Gazetteer Files
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 Union village, Illinois (place:76706, in state:17).
Each estimate (E or PE) has a margin of error beside it (M or PM).
The 2015–2019 figures are B01003_001E, B01003_001M, B25064_001E, B25064_001M from the 2019 release.
The API needs a free key.
DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0047PE, DP04_0047PM, DP04_0134E, DP04_0134M, DP03_0062E, DP03_0062M, DP04_0089E, DP04_0089M
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 .