Demographics of Lee County, Iowa

Lee County, Iowa had 32,306 people on July 1, 2025, by the Census Bureau’s estimate: −1,221 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Lee County, in four figures

32,306
Population: July 1, 2025, Vintage 2025 estimate.; −3.6%
Change since July 2020: −1,221 people.; 43.6 ±0.5
Median age: ACS 2020–⁠2024.; $62,382 ±$3,274
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Lee County, Iowa's population shrank 3.6% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Lee County, Iowa'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).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Lee County, Iowa's population shrank 3.6% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Lee County, Iowa'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	33,527	100.0	100.0
2021	33,265	99.2	100.2
2022	32,783	97.8	100.7
2023	32,502	96.9	101.6
2024	32,480	96.9	102.5
2025	32,306	96.4	103.1

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Population of Lee County, Iowa on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	33,527	−25	−30	0	−1
2021	33,265	−262	−134	0	−146
2022	32,783	−482	−231	−4	−238
2023	32,502	−281	−130	0	−150
2024	32,480	−22	−126	+82	+28
2025	32,306	−174	−130	+54	−97

Age, 2020–2024

The median age is 43.6 ±0.5: for men 41.7 ±0.5 and for women 45.1 ±0.3. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Lee County by age, ACS 2020–2024
Age	People	Share	Iowa	United States
Under 5	1,840 ±121	5.6% ±0.4	5.9% ±<0.1	5.6% ±<0.1
5 to 17	5,149 ±325	15.7% ±1.0	17.0% ±0.1	16.3% ±<0.1
18 to 24	2,283 ±262	6.9% ±0.8	10.0% ±0.1	9.1% ±<0.1
25 to 44	7,821 ±305	23.8% ±0.9	25.1% ±0.1	26.9% ±<0.1
45 to 64	8,491 ±340	25.8% ±1.0	23.9% ±0.1	24.8% ±<0.1
65 and over	7,309 ±431	22.2% ±1.3	18.1% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $62,382 ±$3,274, and income per person $34,999 ±$1,338, in 2024 dollars. The median is $75,059 ±$418 in Iowa and $80,734 ±$166 in the United States.

Households by income

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Households in Lee County by income, ACS 2020–2024
Household income	Households	Share	Iowa	United States
Under $25,000	2,853 ±334	19.9% ±2.3	13.9% ±0.2	14.6% ±<0.1
$25,000 to $49,999	2,981 ±360	20.8% ±2.5	18.5% ±0.3	16.7% ±<0.1
$50,000 to $74,999	2,695 ±393	18.8% ±2.7	17.5% ±0.3	15.5% ±<0.1
$75,000 to $99,999	1,974 ±264	13.8% ±1.8	14.0% ±0.3	12.6% ±<0.1
$100,000 to $149,999	2,162 ±265	15.1% ±1.8	18.7% ±0.3	17.5% ±<0.1
$150,000 to $199,999	930 ±199	6.5% ±1.4	8.8% ±0.2	9.6% ±<0.1
$200,000 or more	728 ±178	5.1% ±1.2	8.6% ±0.2	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 Lee County by age, ACS 2020–2024
Age	Below poverty	Rate	Iowa	United States
All ages	4,130 ±535	13.1% ±1.7	11.1% ±0.2	12.5% ±0.1
Under 18	1,169 ±261	17.2% ±3.7	12.9% ±0.3	16.1% ±0.1
18 to 59	1,965 ±282	12.6% ±1.8	11.4% ±0.3	11.6% ±0.1
60 and over	996 ±211	10.8% ±2.2	8.8% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Lee County, ACS 2020–2024
Measure	Lee County	Iowa	United States
Housing units	15,794 ±37	1,437,699 ±523	143,775,355 ±10,234
Occupied	90.7% ±1.3	91.5% ±0.3	89.9% ±0.1
Vacant	9.3% ±1.3	8.5% ±0.3	10.1% ±0.1
Owner occupied	76.3% ±2.2	71.7% ±0.3	65.2% ±0.3
Renter occupied	23.7% ±2.2	28.3% ±0.3	34.8% ±0.1
Median home value	$141,400 ±$10,936	$208,000 ±$1,141	$332,700 ±$236
Median gross rent	$835 ±$40	$972 ±$6	$1,413 ±$2
Median year built	1960 ±3	1972 ±1	1980 ±1

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 Lee County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Iowa	United States
Hispanic or Latino	1,145 ±0	3.5% ±<0.1	7.3% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	29,696 ±87	90.3% ±0.3	82.3% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	786 ±124	2.4% ±0.4	3.8% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	185 ±71	0.6% ±0.2	2.5% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	2 to 38	< 0.1% to 0.1%	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 54	0% to 0.2%	0.2% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 101	0% to 0.3%	0.3% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	994 ±170	3.0% ±0.5	3.5% ±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 Lee County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Iowa	United States
Born in the state	23,451 ±597	71.3% ±1.8	69.6% ±0.2	57.3% ±<0.1
Born in another state	8,699 ±549	26.4% ±1.7	23.8% ±0.2	26.9% ±<0.1
Born a citizen outside the states	43 to 175	0.1% to 0.5%	0.7% ±<0.1	1.7% ±<0.1
Born abroad	634 ±202	1.9% ±0.6	5.9% ±0.1	14.1% ±<0.1
Naturalized citizens	327 ±107	1.0% ±0.3	2.6% ±0.1	7.4% ±<0.1
Not citizens	150 to 464	0.5% to 1.4%	3.3% ±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%.

Lee County among the counties of Iowa

22nd of 99 by population, July 2025. Every one is listed on the Iowa page.

Counties of Iowa near Lee County in population, July 2025
County	July 2025	Change since 2020
Des Moines County	38,077	−2.0%
Webster County	36,838	−0.4%
Sioux County	36,774	+2.5%
Wapello County	35,210	−0.4%
Marion County	34,192	+2.3%
Lee County	32,306	−3.6%
Boone County	26,799	+0.4%
Benton County	26,004	+1.8%
Plymouth County	25,697	0%
Bremer County	25,296	+1.1%
Washington County	22,667	+0.6%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — 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

Data retrieved September 25, 2026