Demographics of Cedar County, Iowa

Cedar County, Iowa had 18,359 people on July 1, 2025, by the Census Bureau’s estimate: −127 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.

Cedar County, in four figures

18,359
Population: July 1, 2025, Vintage 2025 estimate.; −0.7%
Change since July 2020: −127 people.; 44.0 ±0.4
Median age: ACS 2020–⁠2024.; $80,602 ±$2,675
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.

Cedar County, Iowa's population shrank 0.7% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Cedar 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

Cedar County, Iowa's population shrank 0.7% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Cedar 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	18,486	100.0	100.0
2021	18,435	99.7	100.2
2022	18,333	99.2	100.7
2023	18,298	99.0	101.6
2024	18,288	98.9	102.5
2025	18,359	99.3	103.1

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Population of Cedar 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	18,486	−4	−2	0	−6
2021	18,435	−51	−45	+4	−17
2022	18,333	−102	−86	+10	−16
2023	18,298	−35	−49	+16	+2
2024	18,288	−10	−18	+10	0
2025	18,359	+71	−23	+8	+87

Age, 2020–2024

The median age is 44.0 ±0.4: for men 43.5 ±0.5 and for women 44.5 ±0.5. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Cedar County by age, ACS 2020–2024
Age	People	Share	Iowa	United States
Under 5	884 ±36	4.8% ±0.2	5.9% ±<0.1	5.6% ±<0.1
5 to 17	2,991 ±210	16.3% ±1.1	17.0% ±0.1	16.3% ±<0.1
18 to 24	1,252 ±158	6.8% ±0.9	10.0% ±0.1	9.1% ±<0.1
25 to 44	4,319 ±215	23.5% ±1.2	25.1% ±0.1	26.9% ±<0.1
45 to 64	5,044 ±262	27.5% ±1.4	23.9% ±0.1	24.8% ±<0.1
65 and over	3,859 ±262	21.0% ±1.4	18.1% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $80,602 ±$2,675, and income per person $41,417 ±$2,095, 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 Cedar County by income, ACS 2020–2024
Household income	Households	Share	Iowa	United States
Under $25,000	775 ±159	10.2% ±2.1	13.9% ±0.2	14.6% ±<0.1
$25,000 to $49,999	1,386 ±227	18.2% ±2.9	18.5% ±0.3	16.7% ±<0.1
$50,000 to $74,999	1,365 ±204	17.9% ±2.6	17.5% ±0.3	15.5% ±<0.1
$75,000 to $99,999	1,193 ±193	15.7% ±2.5	14.0% ±0.3	12.6% ±<0.1
$100,000 to $149,999	1,763 ±209	23.1% ±2.7	18.7% ±0.3	17.5% ±<0.1
$150,000 to $199,999	635 ±124	8.3% ±1.6	8.8% ±0.2	9.6% ±<0.1
$200,000 or more	505 ±102	6.6% ±1.3	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 Cedar County by age, ACS 2020–2024
Age	Below poverty	Rate	Iowa	United States
All ages	1,321 ±226	7.3% ±1.3	11.1% ±0.2	12.5% ±0.1
Under 18	380 ±104	10.0% ±2.7	12.9% ±0.3	16.1% ±0.1
18 to 59	651 ±131	7.0% ±1.4	11.4% ±0.3	11.6% ±0.1
60 and over	290 ±82	5.9% ±1.6	8.8% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Cedar County, ACS 2020–2024
Measure	Cedar County	Iowa	United States
Housing units	8,300 ±33	1,437,699 ±523	143,775,355 ±10,234
Occupied	91.8% ±2.2	91.5% ±0.3	89.9% ±0.1
Vacant	8.2% ±2.2	8.5% ±0.3	10.1% ±0.1
Owner occupied	81.5% ±1.3	71.7% ±0.3	65.2% ±0.3
Renter occupied	18.5% ±2.2	28.3% ±0.3	34.8% ±0.1
Median home value	$211,300 ±$11,220	$208,000 ±$1,141	$332,700 ±$236
Median gross rent	$879 ±$33	$972 ±$6	$1,413 ±$2
Median year built	1965 ±6	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 Cedar County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Iowa	United States
Hispanic or Latino	507 ±0	2.8% ±<0.1	7.3% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	17,095 ±99	93.2% ±0.5	82.3% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	25 to 129	0.1% to 0.7%	3.8% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	37 to 155	0.2% to 0.8%	2.5% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 28	0% to 0.2%	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 27	0% to 0.1%	0.2% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 92	0% to 0.5%	0.3% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	509 ±113	2.8% ±0.6	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 Cedar County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Iowa	United States
Born in the state	14,980 ±333	81.6% ±1.8	69.6% ±0.2	57.3% ±<0.1
Born in another state	3,149 ±340	17.2% ±1.9	23.8% ±0.2	26.9% ±<0.1
Born a citizen outside the states	0 to 114	0% to 0.6%	0.7% ±<0.1	1.7% ±<0.1
Born abroad	164 ±69	0.9% ±0.4	5.9% ±0.1	14.1% ±<0.1
Naturalized citizens	42 to 146	0.2% to 0.8%	2.6% ±0.1	7.4% ±<0.1
Not citizens	15 to 125	0.1% to 0.7%	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%.

Cedar County among the counties of Iowa

38th of 99 by population, July 2025. Every one is listed on the Iowa page.

Counties of Iowa near Cedar County in population, July 2025
County	July 2025	Change since 2020
Winneshiek County	19,733	−1.6%
Henry County	19,349	−5.4%
Jackson County	19,288	−0.8%
Fayette County	19,047	−2.1%
Poweshiek County	18,368	−1.4%
Cedar County	18,359	−0.7%
Dickinson County	18,077	+1.7%
Delaware County	17,674	+1.2%
Madison County	17,270	+3.8%
Clayton County	16,845	−1.1%
Tama County	16,796	−1.5%

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