PlainZIP

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 a sparsely populated ZIP (a standard USPS delivery area) in Magnolia, Harrison County, Iowa, home to just 181 residents across 1.5 square miles, a density of 124 people per square mile, in the Chicago time zone.

ZIP 51550 lands in the middle-income range, with a median household income of $77,500 (1% above the Iowa average), while per-capita income is $41,104. 1.2% of residents live below the poverty line, and the unemployment rate reads 1.1%. Median home value sits at $105,500 (40% below the state average), median rent at $1,354 a month, and owner-occupancy at 90.5%.

Educational attainment sits below the national norm: 19.8% of adults hold a bachelor's degree or higher, the median age is 42.5, and the average commute is -. To put 51550 in local context, 4 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Harrison County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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

Magnolia, IA 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

51555 standard
Missouri Valley, IA
Pop: 5,245
51546 standard
Logan, IA
Pop: 2,915
51579 standard
Woodbine, IA
Pop: 2,340
51529 standard
Dunlap, IA
Pop: 1,671
51570 standard
Shelby, IA
Pop: 1,039
51557 standard
Mondamin, IA
Pop: 873

Related Areas

Harrison County Magnolia, IA Iowa

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.

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