Magnolia, IA · standard

ZIP Code 51550

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

181
124/sq mi
$77,500
Median income
$105,500
Median home value
19.8%
Bachelor's or higher

The verdict

Magnolia pairs an above-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.

Top 42%
household income, US ZIPs
11th pct
home value, US ZIPs
124
people per sq mi
91%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 51550 against every reporting US ZIP.

ZIP code 51550 is classified by USPS as a standard delivery area and covers roughly 1.5 square miles in Magnolia, Harrison County, Iowa. The area is home to 181 residents, producing a population density of 124 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 51550 against Iowa and the nation.

On the economic side, the median household income for ZIP 51550 sits at $77,500 (1% above the Iowa average), while per-capita income is $41,104. The poverty rate stands at 1.2% and the unemployment rate at 1.1%. On housing, the median home value is $105,500 (40% below the state average) with median rent at $1,354 per month, and 90.5% of occupied units are owner-occupied, a direct signal of whether 51550 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 19.8% of adults hold a bachelor's degree or higher, the median age is 42.5, and the average commute is . We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Harrison County, so you can benchmark 51550 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 →

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 51550, Magnolia, 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

181

Population

1.5

Area (sq mi)

124

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 51550?

42.5

Median Age

53.8%

Male

46.2%

Female

0.0%

Foreign-Born

White 98.8%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 1.2%
Hispanic or Latino 1.2%

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?

$77,500

Median Household Income

+1% vs state

$41,104

Per Capita Income

1.2%

Poverty Rate

1.1%

Unemployment Rate

How ZIP 51550 ranks nationally

Household income vs. every US ZIP code

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

$77,500 Top 42% higher than 58% 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 57.9%
Bachelor's Degree or Higher 19.8%

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

What does housing look like?

78

Total Housing Units

74

Occupied Units

4

Vacant Units

2.28

Avg Household Size

Occupancy Type

Owner 90.5%
Renter 9.5%

$105,500

Median Home Value

-40% vs state

$1,354

Median Rent

1938

Median Year Built

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

Nearby ZIP Codes

Want a side-by-side? Compare 51550 vs 51546 →

ZIP 51550 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 51550 ranks #5 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 51550 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 51550 ranks #4 of 5 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
51546 Logan, IA 2,915 6.2 mi
51557 Mondamin, IA 873 6.7 mi
51564 Pisgah, IA 501 8.8 mi
51555 Missouri Valley, IA 5,245 9.5 mi

More ZIP Codes in Harrison County

Frequently Asked Questions

What county is ZIP code 51550 in?
ZIP code 51550 (Magnolia) is located in Harrison County, Iowa. Harrison County contains multiple ZIP codes, see the full list at /counties/harrison-ia.
What is the population of ZIP code 51550?
ZIP code 51550 in Magnolia, IA has a population of 181 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 51550?
The median household income in ZIP 51550 is $77,500, which is 2% above the national average of $76,288.
What is the average home value in ZIP 51550?
The median home value in ZIP 51550 is $105,500, which is 62% below the national average of $278,155.
What is the demographic makeup of ZIP 51550?
The largest racial group in ZIP 51550 is White at 98.8%. Hispanic or Latino residents make up 1.2% of the population.
What is the education level in ZIP code 51550?
In ZIP code 51550, 57.9% of residents aged 25+ have a high school diploma or higher, and 19.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 51550?
In ZIP code 51550, approximately 90.5% of occupied housing units are owner-occupied and 9.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 51550?
The poverty rate in ZIP code 51550 is 1.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for Magnolia, IA

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