Jefferson County, Iowa

IA · FIPS 19101 · ACS 2024 5-Year Estimates

Metric Value vs National Rank Percentile
Total Population 15,705 #2,116 / 3,222
34th
Median Household Income $61,620 -18.0% #1,925 / 3,222
40th
Median Age 43.7 years +12.3% #1,010 / 3,222
69th
Median Home Value $163,400 -42.0% #1,949 / 3,222
39th
Median Gross Rent $883 -24.1% #1,531 / 3,222
52th
Poverty Rate 15.2% +20.5% #1,979 / 3,222
39th

Demographics

Jefferson County has a population of 15,705, making it the #2,116 most populous county in the US. The median age is 43.7 years, which is 12.3% above the national median.

Population Trend

Rankings →

Year-over-Year Population Growth

Age & Sex Distribution

Race & Ethnicity

Nativity

85.9%
Native Born
14.1%
Foreign Born

Household Type

Economy

The median household income in Jefferson County is $61,620, ranking #1,925 out of 3,222 counties — 18.0% below the national median. The poverty rate is 15.2% and unemployment stands at 8.0%.

Median Household Income
$61,620 −18.0% vs nat'l
Rank #1,925 of 3,222
40th percentile
Per Capita Income
$36,823 −10.8% vs nat'l
Rank #1,284 of 3,222
60th percentile
Poverty Rate
15.2% +20.5% vs nat'l
Rank #1,979 of 3,222
39th percentile
Unemployment Rate
8.0% +50.0% vs nat'l
Rank #2,938 of 3,222
9th percentile
Bachelor's Degree or Higher
43.2% +28.3% vs nat'l
Rank #194 of 3,222
94th percentile
Mean Commute Time
18.0 min −34.6% vs nat'l
Rank #3,004 of 3,222
7th percentile

Median Household Income Trend

Rankings →

Poverty Rate Trend

Rankings →

Housing

The median home value in Jefferson County is $163,400 (-42.0% vs national). Renters pay a median of $883/mo and the homeownership rate is 67.7%.

Median Home Value
$163,400 −42.0% vs nat'l
Rank #1,949 of 3,222
39th percentile
Median Gross Rent
$883 −24.1% vs nat'l
Rank #1,531 of 3,222
52th percentile
Homeownership Rate
67.7% +5.1% vs nat'l
Rank #2,520 of 3,222
22th percentile
67.7% Homeownership

Median Home Value Trend

Rankings →

Health

93.3% of residents in Jefferson County have health insurance coverage, which is 1.8% above the national rate.

93.3% Health Insurance
Health Insurance Coverage
93.3% +1.8% vs nat'l
Rank #1,293 of 3,222
60th percentile

About Jefferson County, Iowa

Jefferson County, Iowa has a total population of 15,705, making it the 2,116th most populous county in the United States. The median age in Jefferson County is 43.7 years, which is 12.3% above the national median of 38.9 years.

The median household income in Jefferson County is $61,620, which ranks #1,925 of 3,222 counties nationwide. This is 18.0% below the national median of $75,149. The poverty rate is 15.2%, higher than the national rate of 12.6%. The unemployment rate stands at 8.0%.

The median home value in Jefferson County is $163,400, 42.0% below the national median. Renters in Jefferson County pay a median gross rent of $883 per month. The homeownership rate is 67.7%, compared to the national rate of 64.4%.

In Jefferson County, 43.2% of residents aged 25 and older hold a bachelor's degree or higher, 28.3% above the national average of 33.7%. Health insurance coverage stands at 93.3% of the population. The average commute time for workers is 18.0 min.

Jefferson County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 82.4% of the population, followed by Asian (non-Hispanic) (8.2%) and Hispanic or Latino (4.1%).

All data for Jefferson County, Iowa comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.