What is the average income in ZIP code 52340?

For tax year 2022, the average adjusted gross income on the 3,130 individual tax returns filed in 52340 was $90,213, compared with $83,195 for Iowa.

How many people in 52340 get the earned income tax credit?

210 returns in 52340 (6.7%) claimed the earned income tax credit for tax year 2022.

Why might these numbers differ from Census income figures?

IRS figures count tax returns, not households, and use adjusted gross income from the return. People who do not file a return are not included.

Checked Oct 22, 2026

ZIP Code 52340 Income and Tax Statistics

Tiffin, IA. Individual income tax returns for tax year 2022, from IRS Statistics of Income

Tax returns: 3,130; 6,000 people on returns
Average adjusted gross income: $90,213; Iowa $83,195
Average salaries and wages: $78,666; Returns with wages
Average income tax: $12,093; Iowa $12,679

Returns by adjusted gross income

Returns with negative income are not included

$1 to $24,99954017.3%
$25,000 to $49,99967021.4%
$50,000 to $74,99951016.3%
$75,000 to $99,99939012.5%
$100,000 to $199,99978024.9%
$200,000 or more2407.7%

Income, credits and taxes in 52340

Returns that reported each item, the total amount and the average for those returns

Swipe the table sideways to see more columns.

Item	Returns	Share of returns	Total	Average
Salaries and wages	2,820	90.1%	$222M	$78,666
Business or professional income	500	16.0%	$6.93M	$13,852
Net capital gains	640	20.4%	$6.76M	$10,558
Taxable pensions and annuities	540	17.3%	$13.62M	$25,220
Taxable Social Security benefits	360	11.5%	$7.31M	$20,306
Itemized deductions	250	8.0%	$8.37M	$33,472
Earned income tax credit	210	6.7%	$478K	$2,276
Refundable child tax credit	190	6.1%	$374K	$1,968
Income tax after credits	2,610	83.4%	$31.56M	$12,093
Refunds	2,200	70.3%	$6.01M	$2,731

Frequently asked questions

What is the average income in ZIP code 52340?: For tax year 2022, the average adjusted gross income on the 3,130 individual tax returns filed in 52340 was $90,213, compared with $83,195 for Iowa.
How many people in 52340 get the earned income tax credit?: 210 returns in 52340 (6.7%) claimed the earned income tax credit for tax year 2022.
Why might these numbers differ from Census income figures?: IRS figures count tax returns, not households, and use adjusted gross income from the return. People who do not file a return are not included.

Source: Internal Revenue Service, Statistics of Income · Tax year 2022

Data sources

Statistics of Income (ZIP code data and migration data)Internal Revenue Service

IRS counts are rounded to the nearest 10, and items reported on fewer than 20 returns in a ZIP code are left out to protect taxpayer privacy. ZIP codes with fewer than 100 returns are combined by the IRS and are not shown.

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