Buffalo, IA ZIP Codes

3 ZIP codes serve Buffalo, Iowa: 52804, 52726 and 52728. Together they are home to 32,979 residents in 14,073 households. That is more than the 1,097 people counted inside Buffalo city limits, because these ZIP codes reach past its boundary. Median household income ranges from $65,849 in 52804 to $104,250 in 52726.

Buffalo city limits (Census)

MeasureCensus figure
Residents1,097
Households481
Median household income$69,728
Median home value$122,100
Median age42
Median rent$804

All 3 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)32,979
Households (sum of ZIP codes)14,073
Median household income, range across ZIP codes$65,849 (52804) to $104,250 (52726)
Household-weighted average of ZIP medians (an approximation, not a true median)$72,250
Homeowners71.3%
Households with kids under 1827.1%
Moved in the past year12.0%
Carrier routes in EDDM2GO's route library23 routes, 13,155 homes (2 of 3 ZIP codes)

Top facts

Every ZIP code in Buffalo

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
52804Davenport26,83511,364$65,849$156,80067.1%27.2%12.5%2011,6517% of its land
52726Blue Grass5,1602,273$104,250$276,10091.4%25.2%10.0%31,8704% of its land
52728Buffalo984436$69,239$120,90076.6%33.7%8.6%——99% of its land; mailing city

A ZIP code is listed for Buffalo when at least 10% of its land lies inside Buffalo city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Buffalo. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Buffalo.

Counties

Nearby cities sharing these ZIP codes

Price a mailing to Buffalo ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Buffalo, IA?
52804, 52726 and 52728. A ZIP code is listed for Buffalo when at least 10% of its land lies inside Buffalo city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Buffalo.
What is the population of Buffalo, IA?
The Census Bureau counts 1,097 residents inside Buffalo city limits (ACS 2020–2024). The 3 ZIP codes that serve Buffalo hold 32,979 residents in all.
What is the median household income in Buffalo, IA?
$69,728 inside Buffalo city limits, per the Census Bureau. Across its ZIP codes the medians run from $65,849 to $104,250.
Which Buffalo ZIP code has the highest median household income?
52726, at $104,250, among ZIP codes with at least 1,000 residents.
How many carrier routes and mailboxes are in Buffalo, IA?
For the 2 of 3 ZIP codes in EDDM2GO's stored route library: 23 carrier routes reaching 13,155 residential and 366 business mailboxes. The route map loads the rest when you search them.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.