Demographics of McHenry city, Illinois

McHenry city, Illinois had 29,217 people on July 1, 2025, by the Census Bureau’s estimate: +1,834 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

McHenry city, in four figures

29,217
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 28,074 ±41.; +6.7%
Change since July 2020: +1,834 people.; 43.9 ±2.1
Median age: ACS 2020–⁠2024.; $86,315 ±$6,312
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

McHenry city, Illinois's population grew 6.7% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of McHenry city, Illinois's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

McHenry city, Illinois's population grew 6.7% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of McHenry city, Illinois's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	27,383	100.0	100.0
2021	27,647	101.0	100.2
2022	28,287	103.3	100.7
2023	28,332	103.5	101.6
2024	28,836	105.3	102.5
2025	29,217	106.7	103.1

Population of McHenry city, Illinois on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	27,383	—
2021	27,647	+264
2022	28,287	+640
2023	28,332	+45
2024	28,836	+504
2025	29,217	+381

Age, 2020–2024

The median age is 43.9 ±2.1: for men 39.8 ±1.6 and for women 47.7 ±2.2. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in McHenry city by age, ACS 2020–2024
Age	People	Share	Illinois	United States
Under 5	1,395 ±338	5.0% ±1.2	5.4% ±<0.1	5.6% ±<0.1
5 to 17	4,174 ±553	14.9% ±2.0	16.4% ±0.1	16.3% ±<0.1
18 to 24	1,697 ±376	6.0% ±1.3	9.1% ±<0.1	9.1% ±<0.1
25 to 44	7,254 ±661	25.8% ±2.4	26.9% ±0.1	26.9% ±<0.1
45 to 64	8,148 ±697	29.0% ±2.5	25.2% ±0.1	24.8% ±<0.1
65 and over	5,406 ±599	19.3% ±2.1	17.0% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $86,315 ±$6,312, and income per person $45,734 ±$2,513, in 2024 dollars. The median is $83,390 ±$362 in Illinois and $80,734 ±$166 in the United States.

Households by income

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Households in McHenry city by income, ACS 2020–2024
Household income	Households	Share	Illinois	United States
Under $25,000	803 ±239	6.7% ±2.0	14.6% ±0.1	14.6% ±<0.1
$25,000 to $49,999	2,421 ±515	20.3% ±4.2	16.0% ±0.2	16.7% ±<0.1
$50,000 to $74,999	1,910 ±330	16.1% ±2.7	14.8% ±0.1	15.5% ±<0.1
$75,000 to $99,999	1,706 ±298	14.3% ±2.4	12.6% ±0.1	12.6% ±<0.1
$100,000 to $149,999	2,695 ±383	22.7% ±3.1	18.0% ±0.2	17.5% ±<0.1
$150,000 to $199,999	1,019 ±235	8.6% ±1.9	10.1% ±0.1	9.6% ±<0.1
$200,000 or more	1,343 ±234	11.3% ±1.9	13.8% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in McHenry city by age, ACS 2020–2024
Age	Below poverty	Rate	Illinois	United States
All ages	1,295 ±556	4.7% ±2.0	11.8% ±0.1	12.5% ±0.1
Under 18	205 to 667	3.8% to 11.9%	15.1% ±0.2	16.1% ±0.1
18 to 59	618 ±231	4.1% ±1.5	11.0% ±0.1	11.6% ±0.1
60 and over	241 ±103	3.4% ±1.4	10.6% ±0.1	11.0% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Housing, 2020–2024

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Housing in McHenry city, ACS 2020–2024
Measure	McHenry city	Illinois	United States
Housing units	12,095 ±516	5,457,452 ±471	143,775,355 ±10,234
Occupied	98.4% ±5.9	92.3% ±0.1	89.9% ±0.1
Vacant	0.4% to 2.8%	7.7% ±0.1	10.1% ±0.1
Owner occupied	74.4% ±2.5	67.1% ±0.3	65.2% ±0.3
Renter occupied	25.6% ±3.3	32.9% ±0.2	34.8% ±0.1
Median home value	$266,500 ±$8,774	$263,300 ±$797	$332,700 ±$236
Median gross rent	$1,553 ±$110	$1,274 ±$5	$1,413 ±$2
Median year built	1988 ±3	1971 ±2	1980 ±1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in McHenry city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Illinois	United States
Hispanic or Latino	4,443 ±757	15.8% ±2.7	18.8% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	22,219 ±841	79.1% ±3.0	58.1% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	20 to 296	0.1% to 1.1%	13.3% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	222 to 748	0.8% to 2.7%	5.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 11	0% to < 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 49	0% to 0.2%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 24	0% to 0.1%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	746 ±279	2.7% ±1.0	3.4% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in McHenry city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Illinois	United States
Born in the state	20,987 ±744	74.8% ±2.6	66.5% ±0.1	57.3% ±<0.1
Born in another state	4,272 ±640	15.2% ±2.3	17.5% ±0.1	26.9% ±<0.1
Born a citizen outside the states	170 to 726	0.6% to 2.6%	1.3% ±<0.1	1.7% ±<0.1
Born abroad	2,367 ±511	8.4% ±1.8	14.7% ±0.1	14.1% ±<0.1
Naturalized citizens	1,253 ±383	4.5% ±1.4	7.7% ±0.1	7.4% ±<0.1
Not citizens	1,114 ±426	4.0% ±1.5	7.0% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

McHenry city among the places of Illinois

73rd of 337 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the Illinois page.

Places of Illinois near McHenry city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Lake in the Hills village	28,800 ±51
Burbank city	28,739 ±31
Danville city	28,595 ±309
Glen Ellyn village	28,390 ±166
Lansing village	28,284 ±50
McHenry city	28,074 ±41
New Lenox village	28,006 ±290
Huntley village	28,005 ±210
Wilmette village	27,503 ±109
Batavia city	27,151 ±346
Round Lake Beach village	27,079 ±41

Elsewhere on the site

Reported crime in McHenry city, Illinois

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026