Jefferson County, Iowa

7 cities & places have their primary county here.

Population: 15,676
Median household income: $56,824
Median home value: $161,200

Home to 15,676 residents, Jefferson County is one of Iowa's counties. 7 cities and places have their primary county here. At $56,824, its median household income sits below Iowa's $73,147.

Between 2019 and 2023, Jefferson County's population declined 13.6% from 18,148 to 15,676, while its median household income rose 19.1% from $47,708 to $56,824.

White (non-Hispanic) residents are the largest group, 82.7% of the population. 67.8% of workers drive to work alone.

Demographics

ACS 2019–2023

Population: 15,676
Median age: 43.5 yrs
Median household income: $56,824
Median home value: $161,200
Median gross rent: $881
Housing units: 7,707
Homeownership rate: 65.1%
Bachelor's degree or higher: 41.6%
Unemployment rate: 5.3%

Trends

ACS 5-year · 2019–2023

Population

18,14815,676

Median household income

$47,708$56,824

Median home value

$118,300$161,200

Median gross rent

$685$881

Year	Population	Median household income	Median home value	Median gross rent
2019	18,148	$47,708	$118,300	$685
2020	18,153	$47,401	$120,600	$756
2021	15,846	$47,950	$119,500	$793
2022	15,785	$52,210	$141,500	$838
2023	15,676	$56,824	$161,200	$881

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 54.7%

5 to 1712.4%

18 to 247.8%

25 to 3415.1%

35 to 4411.6%

45 to 5410.1%

55 to 6412.6%

65 to 7416.8%

75 and over9.0%

	Count	Share
Under 5	736	4.7%
5 to 17	1,948	12.4%
18 to 24	1,229	7.8%
25 to 34	2,364	15.1%
35 to 44	1,812	11.6%
45 to 54	1,577	10.1%
55 to 64	1,977	12.6%
65 to 74	2,629	16.8%
75 and over	1,404	9.0%

Race & ethnicity

	Count	Share
White (non-Hispanic)	12,961	82.7%
Black or African American	900	5.7%
American Indian & Alaska Native	5	0.0%
Asian	723	4.6%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	75	0.5%
Two or more races	380	2.4%
Hispanic or Latino (any race)	632	4.0%

Educational attainment (age 25+)

No high school diploma4.6%

High school graduate23.6%

Some college or associate's30.1%

Bachelor's degree23.3%

Graduate or professional degree18.3%

	Count	Share
No high school diploma	543	4.6%
High school graduate	2,777	23.6%
Some college or associate's	3,546	30.1%
Bachelor's degree	2,746	23.3%
Graduate or professional degree	2,151	18.3%

Commute to work

Mean travel time to work: 15 min

Drove alone67.8%

Carpooled6.7%

Public transit0.6%

Walked3.6%

Bicycle0.2%

Worked from home18.2%

Other means2.9%

How workers get to work

	Count	Share
Drove alone	5,146	67.8%
Carpooled	509	6.7%
Public transit	45	0.6%
Walked	272	3.6%
Bicycle	16	0.2%
Worked from home	1,384	18.2%
Other means	222	2.9%

Travel time

	Count	Share
Under 15 min	3,718	59.9%
15 to 29 min	1,734	27.9%
30 to 44 min	326	5.2%
45 to 59 min	234	3.8%
60+ min	198	3.2%

Households

Average household size: 2.14
Poverty rate: 14.6% (2,141 of 14,711)

	Count	Share
Family households	3,726	54.2%
Nonfamily households	3,152	45.8%

Housing

Median year structure built: 1967

Occupancy

	Count	Share
Occupied	6,878	89.2%
Vacant	829	10.8%

Tenure (of occupied units)

	Count	Share
Owner-occupied	4,481	65.1%
Renter-occupied	2,397	34.9%

1-unit, detached69.7%

1-unit, attached3.6%

2 to 4 units11.7%

5 to 19 units4.6%

20 or more units1.8%

Mobile home & other8.5%

Units in structure

	Count	Share
1-unit, detached	5,373	69.7%
1-unit, attached	278	3.6%
2 to 4 units	903	11.7%
5 to 19 units	356	4.6%
20 or more units	142	1.8%
Mobile home & other	655	8.5%

Geography

County GEOID: 19101
State: Iowa
Land area: 436 sq mi
Water area: 1.36 sq mi
Center point: 41.0064, -91.9666