51351 ZIP Code, Milford, IA

51351 is a ZIP code in Milford, Iowa in Dickinson County. It covers 108 square miles of land. The closest ZIP codes are 51331, 51340 and 51355. 4,988 people live here in 2,354 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (74%). Median household income is $73,824, close to the Iowa median of $75,059; the median age is 48.2, older than most ZIP codes.

Quick facts

Key figures

MeasureValue
Residents4,988
Households2,354
Median household income$73,824
Income per person$50,900
Median age48.2
Homeowners74.2%
Median home value$273,100
Median rent$906
Bachelor's degree or higher29.3%
Average commute (minutes)18.7
Households with kids under 1825.2%
Moved in the past year8.0%
Below the poverty line6.9%
Broadband internet90.4%
Speak a non-English language at home2.0%

Household income

% of householdsValue
<$10K1.9%
$10–15K2.4%
$15–25K5.4%
$25–35K6.1%
$35–50K17.5%
$50–75K17.1%
$75–100K8.8%
$100–150K16.0%
$150–200K6.7%
$200K+18.2%

Age

% of all residentsValue
<109.2%
10–1913.6%
20–243.1%
25–347.0%
35–4410.9%
45–5416.3%
55–6413.0%
65–7417.5%
75+9.5%

Tenure

% of housing unitsValue
Owned, with mortgage30.3%
Owned outright24.4%
Rented18.9%
Vacant26.4%

Type of building

% of housing unitsValue
Detached house72.9%
Townhome0.3%
2–4 units8.8%
5–19 units6.1%
20+ units3.7%
Mobile / other8.0%

Businesses in 51351

166 business establishments with 1,291 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 51351 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 51351

Where it ranks

Mail every home in 51351

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) 51351, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 51351 in?
51351 is a Milford, IA mailing address. By land area, 2% lies inside Milford and 1% lies inside West Okoboji; the rest is outside any Census-defined city or community.
What county is 51351 in?
51351 is in Dickinson County.
What is the population of 51351?
About 4,988 people (±228), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 4,844.
What is the median household income in 51351?
$73,824 (±$20,980), 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 51351?
EDDM2GO's stored route library does not include 51351 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 51351?
The closest, measured center to center: 51331 (4.1 mi, Arnolds Park), 51340 (5.3 mi, Fostoria), 51355 (5.5 mi, Okoboji), 51360 (9.6 mi, Spirit Lake), 51347 (10 mi, Lake Park) and 51338 (10.2 mi, Everly).

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