Delaware County, IA ZIP Codes

16 ZIP codes cover all or part of Delaware County, Iowa. The Census Bureau counts 17,558 residents in the county, with a median household income of $74,989 and a median home value of $177,900. Median household income ranges from $62,109 in 52035 to $95,833 in 52042. Its largest communities include Manchester, Dyersville, Farley, Earlville and Hopkinton.

Delaware County (Census county figures)

MeasureCensus figure
Residents17,558
Households7,369
Median household income$74,989
Median home value$177,900
Median age43.4
Median rent$764

All 16 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)28,856
Households (sum of ZIP codes)12,029
Median household income, range across ZIP codes$62,109 (52035) to $95,833 (52042)
Household-weighted average of ZIP medians (an approximation, not a true median)$78,301
Homeowners80.6%
Households with kids under 1827.9%
Moved in the past year7.1%
Carrier routes in EDDM2GO's route library19 routes, 5,429 homes (10 of 16 ZIP codes)

Top facts

Every ZIP code in Delaware County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
52057Manchester8,1933,653$69,635$184,30074.0%24.7%7.0%——100% of its land
52040Dyersville5,5842,348$84,761$242,30082.7%32.1%11.2%62,86354% of its land
52076Strawberry Point2,258946$72,857$150,70076.3%25.6%5.2%270716% of its land
52237Hopkinton1,830585$84,063$166,80087.9%49.9%3.7%——96% of its land
52042Edgewood1,804654$95,833$234,30081.3%28.1%3.0%254719% of its land
52041Earlville1,468562$89,697$188,80080.1%31.3%8.2%——100% of its land
52218Coggon1,413635$82,344$180,70092.3%26.0%7.8%356520% of its land
52035Colesburg1,331539$62,109$138,50080.0%29.7%9.1%——38% of its land
52223Delhi1,199599$89,250$204,00088.5%14.4%4.7%——100% of its land
52330Ryan940349$86,536$260,60070.8%31.8%10.2%1184100% of its land
52078Worthington870322$97,778$237,50097.2%32.3%4.6%130136% of its land
52065New Vienna671274$99,250$218,60089.4%23.4%2.0%——25% of its land
52038Dundee463173$56,250$165,00091.3%32.9%1.1%1157100% of its land
52050Greeley422192$67,206$231,90085.9%15.6%10.7%114388% of its land
50654Masonville275133$53,264$124,10075.9%12.8%0.7%116148% of its land
52036Delaware13565$85,208$144,10083.1%16.9%5.9%182100% of its land

A ZIP code is listed for Delaware County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.

Cities and communities

Rankings

Price a mailing to Delaware County ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Delaware County, IA?
52057, 52040, 52076, 52237, 52042, 52041, 52218, 52035, 52223, 52330, 52078, 52065, 52038, 52050, 50654 and 52036. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Delaware County?
17,558 residents in 7,369 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Delaware County?
$74,989 for the county as a whole. Its ZIP codes range from $62,109 (52035) to $95,833 (52042).
Which Delaware County ZIP code has the highest median household income?
52042, at $95,833, among ZIP codes with at least 1,000 residents. See the full ranking of Delaware County ZIP codes by income.
How many carrier routes and mailboxes are in Delaware County?
For the 10 of 16 ZIP codes in EDDM2GO's stored route library: 19 carrier routes reaching 5,429 residential and 281 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.