PlainZIP

Milford, IA · standard

ZIP Code 51351

Dickinson County, Iowa — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

4,365
16/sq mi
$73,824
Median income
$273,100
Median home value
29.3%
Bachelor's or higher

The verdict

Milford pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.

Top 47%
household income, US ZIPs
Top 38%
home value, US ZIPs
16
people per sq mi
74%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 51351 against every reporting US ZIP.

ZIP code 51351 is classified by USPS as a standard delivery area and covers roughly 272.8 square miles in Milford, Dickinson County, Iowa. The area is home to 4,365 residents, producing a population density of 16 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 51351 against Iowa and the nation.

On the economic side, the median household income for ZIP 51351 sits at $73,824 (4% below the Iowa average), while per-capita income is $50,900. The poverty rate stands at 6.9% and the unemployment rate at 3.0%. On housing, the median home value is $273,100 (56% above the state average) with median rent at $906 per month, and 74.2% of occupied units are owner-occupied, a direct signal of whether 51351 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 29.3% of adults hold a bachelor's degree or higher, the median age is 48.2, and the average commute is 19 minutes. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Dickinson County, so you can benchmark 51351 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 51351

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 51351.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 51351, Milford, IA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

4,365

Population

272.8

Area (sq mi)

16

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 51351?

48.2

Median Age

49.8%

Male

50.2%

Female

1.1%

Foreign-Born

White 94.7%
African American 0.0%
Asian 0.2%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.3%
Hispanic or Latino 3.5%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$73,824

Median Household Income

-4% vs state

$50,900

Per Capita Income

6.9%

Poverty Rate

3.0%

Unemployment Rate

18.7 min

Mean Commute Time

How ZIP 51351 ranks nationally

Household income vs. every US ZIP code

Median household income — the full national distribution, with this ZIP marked

$73,824 Top 47% higher than 53% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 55.0%
Bachelor's Degree or Higher 29.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

3,203

Total Housing Units

2,354

Occupied Units

849

Vacant Units

2.10

Avg Household Size

Occupancy Type

Owner 74.2%
Renter 25.8%

$273,100

Median Home Value

+56% vs state

$906

Median Rent

1979

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

-5.0%

YoY Change (2024)

265

HPI Index (2000 = 100)

+165%

Total Change Since 2000

Home values in ZIP 51351 have decreased 5.0% over the past year (2024). Since 2000, this ZIP has seen +165% cumulative appreciation.

Year Annual Change HPI Index
2020 -1.1% 189
2021 +6.8% 202
2022 +16.6% 236
2023 +18.4% 279
2024 -5.0% 265

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 166 business establishments in ZIP 51351, employing approximately 1,291 people with a combined annual payroll of $59,295,000.

166

Businesses

1,291

Employees

$59.3M

Annual Payroll

13

Industry Sectors

Industry Establishments % of Total
Construction 29 17.5%
Administrative and support and waste management and remediation services 21 12.7%
Other services (except public administration) 19 11.4%
Retail trade 17 10.2%
Accommodation and food services 16 9.6%
Transportation and warehousing 14 8.4%
Manufacturing 12 7.2%
Health care and social assistance 11 6.6%
Professional, scientific, and technical services 7 4.2%
Finance and insurance 6 3.6%
Wholesale trade 4 2.4%
Real estate and rental and leasing 4 2.4%
Information 3 1.8%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 51351 vs 51331 →

ZIP 51351 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 51351 ranks #2 by population — useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 51351 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 51351 ranks #4 of 6 neighboring ZIPs — local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
51331 Arnolds Park, IA 1,140 4.4 mi
51355 Okoboji, IA 874 5.6 mi
51360 Spirit Lake, IA 8,031 10.0 mi
51347 Lake Park, IA 1,431 9.8 mi
51338 Everly, IA 1,000 10.2 mi

More ZIP Codes in Dickinson County

51360 standard
Spirit Lake, IA
Pop: 8,031
51347 standard
Lake Park, IA
Pop: 1,431
51331 standard
Arnolds Park, IA
Pop: 1,140
51355 standard
Okoboji, IA
Pop: 874
51364 standard
Terril, IA
Pop: 690
51363 standard
Superior, IA
Pop: 130

Related Areas

Dickinson County Milford, IA Iowa

Frequently Asked Questions

What county is ZIP code 51351 in? ▼
ZIP code 51351 (Milford) is located in Dickinson County, Iowa. Dickinson County contains multiple ZIP codes, see the full list at /counties/dickinson-ia.
What is the population of ZIP code 51351? ▼
ZIP code 51351 in Milford, IA has a population of 4,365 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 51351? ▼
The median household income in ZIP 51351 is $73,824, which is 3% below the national average of $76,288.
What is the average home value in ZIP 51351? ▼
The median home value in ZIP 51351 is $273,100, which is 2% below the national average of $278,155.
What is the demographic makeup of ZIP 51351? ▼
The largest racial group in ZIP 51351 is White at 94.7%. Hispanic or Latino residents make up 3.5% of the population.
How many businesses are in ZIP code 51351? ▼
ZIP code 51351 has 166 business establishments employing approximately 1,291 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 51351? ▼
The top industries by establishment count in ZIP 51351 are: Construction (29), Administrative and support and waste management and remediation services (21), Other services (except public administration) (19). There are 13 industry sectors represented in total.
How have home values changed in ZIP code 51351? ▼
According to the FHFA House Price Index, home values in ZIP 51351 decreased by 5.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 165%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 51351? ▼
In ZIP code 51351, 55.0% of residents aged 25+ have a high school diploma or higher, and 29.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 51351? ▼
The mean commute time for workers in ZIP code 51351 is 18.7 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 51351? ▼
In ZIP code 51351, approximately 74.2% of occupied housing units are owner-occupied and 25.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 51351? ▼
The poverty rate in ZIP code 51351 is 6.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Reading Census Demographics
How to interpret population, income, and education data from the Census Bureau.
Understanding ZIP Code Data
What ZIP codes are, how ZCTAs differ, and what the data reveals.
Best ZIP Codes for Families
Key factors to evaluate when choosing a family-friendly neighborhood.
ZIP Codes for Relocation
Data-driven tips for evaluating ZIP codes before a move.

Official Data Resources for Milford, IA

Verify and explore additional data for this area using these official government sources.

U.S. Census Bureau
Official demographic, economic, and housing data from the American Community Survey.
HUD Fair Market Rents
Department of Housing and Urban Development rental cost estimates by metropolitan area.
FBI Uniform Crime Reports
Official crime statistics compiled from law enforcement agencies nationwide.
FHFA House Price Index
Federal Housing Finance Agency home value trends based on repeat sales and appraisals.

Read our methodology to see how this data is sourced, computed, and verified.