Tiffin is a city located in Johnson County Iowa. Tiffin has a 2024 population of 6,893. Tiffin is currently growing at a rate of 8.98% annually and its population has increased by 49.2% since the most recent census, which recorded a population of 4,620 in 2020.
The average household income in Tiffin is $99,417 with a poverty rate of 8.92%. The median age in Tiffin is 31.6 years: 26.7 years for males, and 33.7 years for females.
According to the most recent ACS, the racial composition of Tiffin was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,110 | 84.83% |
| Two or more races | 308 | 6.36% |
| Black or African American | 189 | 3.9% |
| Asian | 141 | 2.91% |
| Other race | 88 | 1.82% |
| Native American | 9 | 0.19% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Two or more races
Black or African American
Asian
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 1,795 | 2.7 | 85.8 | 14.2 |
| Married | 923 | 3.04 | 91.9 | 8.1 |
| Non Family | 425 | 1.37 | 78.8 | 21.2 |
| Female | 413 | 3.26 | 83.3 | 16.7 |
| Male | 34 | 3.26 | 38.2 | 61.8 |
3.03
Average Family Size
2.7
Average Household Size
85.8%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 22 | 0.78% |
| Associates Degree | 498 | 17.57% |
| Bachelors Degree | 859 | 30.31% |
| Graduate Degree | 510 | 18% |
| High School Graduate | 551 | 19.44% |
| Less Than 9th Grade | 103 | 3.63% |
| Some College | 291 | 10.27% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 2,437 | 2,381 | 1,185 |
| Hispanic | 151 | 85 | 0 |
| Asian | 115 | 115 | 115 |
| Other Race | 62 | 62 | 54 |
| Black | 53 | 50 | 0 |
| 2+ Races | 15 | 15 | 6 |
| Native American | 9 | 9 | 9 |
The highest rate of high school graduation is among native american people with a rate of 100%.
The highest rate of bachelors degrees is among native american people with a rate of 100%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $47,143 | $77,273 | $46,449 |
| Graduate Degree | $68,352 | $67,133 | $69,596 |
| High School Graduate | $58,277 | $0 | $58,009 |
| Less Than 9th Grade | $0 | $0 | $0 |
| Overall | $59,429 | $66,575 | $51,740 |
| Some College | $51,116 | $67,849 | $50,417 |
$59,429
Average Earnings
$66,575
Average Male
$51,740
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
91% of Tiffin residents speak only English, while 9% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.62% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| Hispanic | 341 | 169 | 49.56% |
| White | 3,827 | 154 | 4.02% |
| Black | 189 | 109 | 57.67% |
8.92%
Overall Poverty Rate
11.53%
Male Poverty Rate
6.57%
Female Poverty Rate
The race most likely to be in poverty in Tiffin is Black, with 57.67% below the poverty level.
The race least likely to be in poverty in Tiffin is White, with 4.02% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 22.68%, and for those that did not work, the poverty rate was 18.42%.
rate
Rate | Poverty |
|---|---|
| Some College | 4.94% |
| Less Than 9th Grade | 4% |
| Bachelors or Greater | 1.17% |
| High School | 1.09% |
rate
Rate | Poverty |
|---|---|
| Female Employed | 3.68% |
| Male Employed | 0.92% |
| Male Unemployed | 0% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $112,972 | $110,519 |
| Households | $94,011 | $99,417 |
| Married Families | $132,546 | $-999,999,999 |
| Non Families | $52,625 | $60,926 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
53.5%
Overall Marriage Rate
58.4%
Male Marriage Rate
49.6%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is Over 65.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
174
Number of Veterans
171
Male Veterans
3
Female Veterans
War | Veterans |
|---|---|
| Second Gulf War | 95 |
| First Gulf War | 17 |
| Korea | 14 |
| Vietnam | 0 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 18 to 34 | 92 |
| 75+ | 38 |
| 55 to 64 | 24 |
| 35 to 54 | 20 |
| 65 to 74 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 174 | 5.67% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
13.79%
Veteran Disability Rate
LaborForceParticipation
74.1%
Labor Force Participation
71.3%
Employment Rate
3.6%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
70.96%
Born in Tiffin
93.73%
Native Born
6.27%
Foreign Born
1.69%
Non Citizen
4.58%
Naturalized
93.73% of Tiffin residents were born in the United States, with 70.96% having been born in Iowa. 1.69% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 9,735 | 569 | 6.21% |
| 2028 | 9,166 | 568 | 6.61% |
| 2027 | 8,598 | 569 | 7.09% |
| 2026 | 8,029 | 568 | 7.61% |
| 2025 | 7,461 | 568 | 8.24% |
| 2024 | 6,893 | 568 | 8.98% |
| 2023 | 6,325 | 534 | 9.22% |
| 2022 | 5,791 | 555 | 10.6% |
| 2021 | 5,236 | 616 | 13.33% |
| 2020 | 4,620 | 422 | 10.05% |
| 2019 | 4,198 | 531 | 14.48% |
| 2018 | 3,667 | 295 | 8.75% |
| 2017 | 3,372 | 361 | 11.99% |
| 2016 | 3,011 | 398 | 15.23% |
| 2015 | 2,613 | 187 | 7.71% |
| 2014 | 2,426 | 75 | 3.19% |
| 2013 | 2,351 | 105 | 4.67% |
| 2012 | 2,246 | 193 | 9.4% |
| 2011 | 2,053 | 85 | 4.32% |
| 2010 | 1,968 | 0 | 0% |