51503 ZIP Code, Council Bluffs, IA

51503 is a ZIP code in Council Bluffs, Iowa — mostly in Pottawattamie County (85% of its land), with smaller parts in Mills County. It covers 122 square miles of land. The closest ZIP codes are 51501, 51554 and 68108. 37,972 people live here in 15,442 households, which puts it among the most populous 1% of Iowa ZIP codes. With about 312 people per square mile it is lightly settled, and owners and renters are mixed (69% own). Median household income is $79,010, close to the Iowa median of $75,059.

Quick facts

Key figures

MeasureValue
Residents37,972
Households15,442
Median household income$79,010
Income per person$40,763
Median age40.6
Homeowners68.6%
Median home value$262,300
Median rent$991
Bachelor's degree or higher30.5%
Average commute (minutes)18.7
Households with kids under 1827.5%
Moved in the past year10.4%
Below the poverty line10.8%
Broadband internet87.0%
Speak a non-English language at home3.7%

Household income

% of householdsValue
<$10K2.9%
$10–15K3.3%
$15–25K7.6%
$25–35K5.9%
$35–50K10.9%
$50–75K16.9%
$75–100K13.8%
$100–150K19.6%
$150–200K10.5%
$200K+8.7%

Age

% of all residentsValue
<1011.5%
10–1915.5%
20–246.0%
25–349.9%
35–4412.7%
45–5411.7%
55–6413.1%
65–7411.4%
75+8.1%

Tenure

% of housing unitsValue
Owned, with mortgage39.3%
Owned outright25.6%
Rented29.2%
Vacant5.9%

Type of building

% of housing unitsValue
Detached house72.4%
Townhome2.9%
2–4 units4.5%
5–19 units10.8%
20+ units8.5%
Mobile / other0.9%

Businesses in 51503

721 business establishments with 10,010 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 51503 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 51503

Where it ranks

Mail every home in 51503

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) 51503, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 51503 in?
51503 is a Council Bluffs, IA mailing address. By land area, 16% lies inside Council Bluffs; the rest is outside any Census-defined city or community.
What county is 51503 in?
51503 is mostly in Pottawattamie County (85% of its land), with smaller parts in Mills County.
What is the population of 51503?
About 37,972 people (±1,376), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 37,330.
What is the median household income in 51503?
$79,010 (±$4,137), 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 51503?
EDDM2GO's stored route library does not include 51503 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 51503?
The closest, measured center to center: 51501 (4.9 mi, Council Bluffs), 51554 (7.6 mi, Mineola), 68108 (7.7 mi, Omaha), 68110 (7.8 mi, Omaha), 68005 (8 mi, Bellevue) and 68102 (8.1 mi, Omaha).

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