Tiffin

County:: Johnson County
County Seat:: No
Area (mi²):: 4.271
State:: Iowa

Tiffin is a city located in Johnson County, Iowa. Tiffin has a 2025 population of 7,461. Tiffin is currently growing at a rate of 8.24% annually and its population has increased by 61.49% since the most recent census, which recorded a population of 4,620 in 2020.

The average household income in Tiffin is $158,016 with a poverty rate of 7.11%. The median age in Tiffin is 33 years: 30.7 years for males, and 34.1 years for females.

Demographics

The racial composition of Tiffin includes 82.62% White, 4.67% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	4,355	82.62%
Two or more races	379	7.19%
Black or African American	246	4.67%
Asian	147	2.79%
Other race	144	2.73%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Tiffin Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Tiffin's average per capita income is $71,161. Household income levels show a median of $106,034. The poverty rate stands at 7.11%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$139,395	-
Families	$118,542	$189,681
Households	$106,034	$158,016
Non Families	$69,905	$71,404

$71,161

Average Income

$106,034

Median Household Income

7.11%

Poverty Rate