51527 ZIP Code, Defiance, IA

51527 is a ZIP code in Defiance, Iowa — mostly in Shelby County (83% of its land), with smaller parts in Crawford County. It covers 42 square miles of land. The closest ZIP codes are 51530, 51454 and 51446. 362 people live here in 166 households, fewer than in most Iowa ZIP codes. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (89%). Median household income is $64,750, below the Iowa median of $75,059.

Quick facts

Key figures

MeasureValue
Residents362
Households166
Median household income$64,750
Income per person$47,289
Median age37.4
Homeowners88.6%
Median home value$123,400
Median rent$689
Bachelor's degree or higher22.5%
Average commute (minutes)17.1
Households with kids under 1831.9%
Moved in the past year5.8%
Below the poverty line8.0%
Broadband internet94.0%
Speak a non-English language at home7.8%

Household income

% of householdsValue
<$10K1.8%
$10–15K5.4%
$15–25K4.8%
$25–35K10.8%
$35–50K11.4%
$50–75K18.1%
$75–100K9.6%
$100–150K15.7%
$150–200K9.0%
$200K+13.3%

Age

% of all residentsValue
<1012.2%
10–198.5%
20–240.8%
25–3422.4%
35–448.8%
45–545.2%
55–6412.1%
65–7421.5%
75+8.3%

Tenure

% of housing unitsValue
Owned, with mortgage48.2%
Owned outright38.2%
Rented11.2%
Vacant2.4%

Type of building

% of housing unitsValue
Detached house94.1%
Townhome0.0%
2–4 units0.6%
5–19 units0.6%
20+ units0.0%
Mobile / other4.7%

Businesses in 51527

18 business establishments with 143 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 51527 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 51527

Mail every home in 51527

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 51527, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 51527 in?
51527 is a Defiance, IA mailing address. None of its land lies inside a Census-defined city or community.
What county is 51527 in?
51527 is mostly in Shelby County (83% of its land), with smaller parts in Crawford County.
What is the population of 51527?
About 362 people (±101), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 475.
What is the median household income in 51527?
$64,750 (±$36,900), compared with $75,059 for Iowa as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 51527?
EDDM2GO's stored route library does not include 51527 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 51527?
The closest, measured center to center: 51530 (6 mi, Earling), 51454 (8.1 mi, Manilla), 51446 (8.6 mi, Irwin), 51578 (8.8 mi, Westphalia), 51528 (9.7 mi, Buck Grove) and 51520 (10.9 mi, Arion).

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