51555 ZIP Code, Missouri Valley, IA

51555 is a ZIP code in Missouri Valley, Iowa — mostly in Harrison County (82% of its land), with smaller parts in Pottawattamie County. It covers 146 square miles of land. The closest ZIP codes are 68023, 51556 and 51542. 4,952 people live here in 2,148 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (77%). Median household income is $85,273, above the Iowa median of $75,059.

Quick facts

Key figures

MeasureValue
Residents4,952
Households2,148
Median household income$85,273
Income per person$41,354
Median age42.6
Homeowners77.3%
Median home value$188,700
Median rent$812
Bachelor's degree or higher23.8%
Average commute (minutes)24.6
Households with kids under 1826.4%
Moved in the past year7.5%
Below the poverty line6.7%
Broadband internet86.5%
Speak a non-English language at home2.0%

Household income

% of householdsValue
<$10K3.3%
$10–15K1.0%
$15–25K5.5%
$25–35K9.4%
$35–50K8.9%
$50–75K14.6%
$75–100K17.7%
$100–150K21.3%
$150–200K10.5%
$200K+7.8%

Age

% of all residentsValue
<109.3%
10–1912.4%
20–245.7%
25–3412.1%
35–4412.7%
45–5414.5%
55–6414.2%
65–7410.4%
75+8.6%

Tenure

% of housing unitsValue
Owned, with mortgage43.1%
Owned outright28.4%
Rented20.9%
Vacant7.6%

Type of building

% of housing unitsValue
Detached house79.0%
Townhome1.4%
2–4 units7.3%
5–19 units0.6%
20+ units3.1%
Mobile / other8.6%

Businesses in 51555

127 business establishments with 1,427 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 51555 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 51555

Where it ranks

Mail every home in 51555

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) 51555, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 51555 in?
51555 is a Missouri Valley, IA mailing address. By land area, 2% lies inside Missouri Valley; the rest is outside any Census-defined city or community.
What county is 51555 in?
51555 is mostly in Harrison County (82% of its land), with smaller parts in Pottawattamie County.
What is the population of 51555?
About 4,952 people (±364), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 5,099.
What is the median household income in 51555?
$85,273 (±$7,886), 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 51555?
EDDM2GO's stored route library does not include 51555 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 51555?
The closest, measured center to center: 68023 (8.3 mi, Fort Calhoun), 51556 (8.6 mi, Modale), 51542 (9.3 mi), 51546 (9.4 mi, Logan), 51550 (9.4 mi, Magnolia) and 68112 (12.4 mi, Omaha).

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