Tiffin, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Tiffin, Iowa had a total population of 5,737, the 70th largest city in Iowa, with a median household income of $100,952, which is 34% higher than the state average. The poverty rate is 7.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 34% above the state average — one of the wealthiest communities in Iowa.
- 63.6% of adults hold a bachelor's degree or higher — top 10% in Iowa.
- Near full employment with an unemployment rate of just 0.4%.
Tiffin Quick Facts
How Tiffin Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 5,271 | 5,737 | +8.8% |
| Median household income | $106,034 | $100,952 | -4.8% |
| Median home value | $315,800 | $338,500 | +7.2% |
How Tiffin Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 31 | National average: 61
Education
Educational Attainment (Adults 25+)
Tiffin Rankings in Iowa
Explore Iowa Rankings
Other Cities in Johnson County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Iowa City | 75,752 | $58,546 | 26.3% | $285,900 |
| Coralville | 23,234 | $69,144 | 13.0% | $298,500 |
| North Liberty | 21,125 | $102,102 | 6.1% | $303,800 |
| Solon | 3,152 | $113,295 | 3.2% | $309,400 |
| West Branch | 2,594 | $92,209 | 6.4% | $216,100 |
| University Heights | 1,384 | $111,406 | 14.4% | $429,900 |
| Lone Tree | 1,218 | $90,625 | 4.9% | $179,800 |
| Swisher | 1,182 | $100,577 | 6.9% | $260,300 |
| Hills | 974 | $83,333 | 8.4% | $240,200 |
| Oxford | 779 | $82,639 | 3.3% | $215,200 |
Cities Similar to Tiffin
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| DeWitt | 5,546 | $92,587 | $237,100 | 34.5% | 2.8% |
| Adel | 6,430 | $95,250 | $327,900 | 37.9% | 7.2% |
| Asbury | 5,989 | $124,957 | $339,000 | 50.4% | 3.2% |
| Windsor Heights | 5,143 | $91,707 | $267,900 | 45.9% | 6.2% |
| Eldridge | 6,818 | $106,316 | $350,500 | 54.4% | 1.4% |
Population Overview
Tiffin is a small city located in Iowa, within Johnson County. The total population is 5,737. It ranks as the 70th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Tiffin is 33.0 years. This is 15% lower than the state median of 38.6 years.
Economy, Income & Housing
The median household income in Tiffin is $100,952. This is 34% higher than the state median of $75,059. It is also 25% higher than the national median of $80,734. The poverty rate stands at 7.6%. This is 31% lower than the state poverty rate of 11.1%. The unemployment rate is 0.4%. This is 89% lower than the state rate of 3.6%. The median home value is $338,500. Housing costs are 63% higher than the state median of $208,000. The home-value-to-income ratio is 3.4x. 80.2% of occupied housing units are owner-occupied. This homeownership rate is 12% higher than the state average of 71.7%.
Race & Ethnicity
The largest racial or ethnic group in Tiffin is White (non-Hispanic), making up 80.7% of the population. Black or African American residents account for 4.1%. The Hispanic or Latino population (3.4%) is well below the state average of 7.3%.
Education
63.6% of residents aged 25 and older hold a bachelor's degree or higher. This places Tiffin in the top 10% of all cities in the state for educational attainment. This is 102% higher than the state rate of 31.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample. Notably, 19.2% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Tiffin, Iowa is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Iowa state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,017 Census-designated places in Iowa. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Tiffin, Iowa?
Tiffin, Iowa has a population of 5,737 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Tiffin, IA?
The median household income in Tiffin is $100,952, which is 25% higher than the national median of $80,734.
What is the poverty rate in Tiffin, IA?
The poverty rate in Tiffin is 7.6%. This means approximately 437 residents live below the federal poverty line.
What is the racial makeup of Tiffin, Iowa?
Tiffin's population is 80.7% White, 4.1% Black, 3.4% Hispanic/Latino, and 2.4% Asian.
What is the median home value in Tiffin, IA?
The median home value in Tiffin is $338,500. The home-value-to-income ratio is 3.4x.
How educated is Tiffin, Iowa?
63.6% of adults (25+) in Tiffin hold a bachelor's degree or higher, and 19.2% hold a graduate or professional degree.