Milford, IA 51351 ZIP Code Profile

Related Place Profiles:
Milford, IA | Old Town, IA | West Okoboji, IA

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ZIP Code 51351: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Milford, IA 51351

Not Acceptable, USPS
Old Town, IA 51351
W Okoboji, IA 51351
West Okoboji, IA 51351

  • ZIP Code Type: STANDARD
  • County: Dickinson County
  • Centroid: Latitude 43.323, Longitude -95.17
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 208
  • PO Box Addresses: 82
  • Residential Addresses: 2,363
    • Multi-Family Addresses: 128
    • Single Family Addresses: 2,235

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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51351 ZIP Code Map

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Milford, IA 51351 Data & Demographics (As of July 1, 2017)


Total Population 4,722
Daytime Population: Workers 1,760
Daytime Population: Residents 1,647
Total Daytime Population (TDP) 3,407
Ratio TDP/Total Population1 0.72
Population in Households 4,679
Population in Familes 3,645
Population in Group Qrtrs 43
Population Density2 48
Diversity Index3 8


Median Household Income $48,661
Average Household Income $63,751
Per Capita Income $28,425


Total Housing Units 3,078 (100%)
Owner Occupied HU 1,551 (50.4%)
Renter Occupied HU 545 (17.7%)
Vacant Housing Units 982 (31.9%)
Median Home Value $151,444
Average Home Value $246,438


Total Households 2,096
Average Household Size 2.23
Family Households 1,330
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.13% 1.22%
Households 1.19% 1.25%
Families 1.05% 1.18%
Median Household Income   1.31%
Per Capita Income   2.05%

Milford, IA 51351 - Peer Comparisons by Rank and Percentile

The table below compares 51351 to the other 963 ZIP Codes in Iowa by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 146 85th
Population Density # 279 71st
Diversity Index # 631 34th
Median Household Income # 736 24th
Per Capita Income # 444 54th

Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.

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