51523 ZIP Code, Blencoe, IA

51523 is a ZIP code in Blencoe, Iowa — mostly in Monona County (92% of its land), with smaller parts in Harrison County. It covers 50 square miles of land. The closest ZIP codes are 51545, 51040 and 51558. 379 people live here in 169 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (79%). Median household income is $82,625, above the Iowa median of $75,059; the median age is 50.2, older than most ZIP codes.

Quick facts

Key figures

MeasureValue
Residents379
Households169
Median household income$82,625
Income per person$40,604
Median age50.2
Homeowners79.3%
Median home value$136,800
Median rent$857
Bachelor's degree or higher18.9%
Average commute (minutes)22.1
Households with kids under 1825.4%
Moved in the past year8.3%
Below the poverty line8.2%
Broadband internet80.5%
Speak a non-English language at home0.0%

Household income

% of householdsValue
<$10K0.6%
$10–15K1.2%
$15–25K16.6%
$25–35K4.1%
$35–50K14.8%
$50–75K8.9%
$75–100K24.3%
$100–150K14.8%
$150–200K8.9%
$200K+5.9%

Age

% of all residentsValue
<1016.3%
10–197.4%
20–242.1%
25–3410.6%
35–4411.3%
45–549.0%
55–6412.4%
65–7414.0%
75+16.9%

Tenure

% of housing unitsValue
Owned, with mortgage37.1%
Owned outright38.2%
Rented19.7%
Vacant5.1%

Type of building

% of housing unitsValue
Detached house97.8%
Townhome0.0%
2–4 units0.6%
5–19 units0.0%
20+ units0.0%
Mobile / other1.7%

Businesses in 51523

3 business establishments with 33 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 51523 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 51523

Mail every home in 51523

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) 51523, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 51523 in?
51523 is a Blencoe, IA mailing address. By land area, 2% lies inside Blencoe; the rest is outside any Census-defined city or community.
What county is 51523 in?
51523 is mostly in Monona County (92% of its land), with smaller parts in Harrison County.
What is the population of 51523?
About 379 people (±77), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 358.
What is the median household income in 51523?
$82,625 (±$31,666), 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 51523?
EDDM2GO's stored route library does not include 51523 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 51523?
The closest, measured center to center: 51545 (5.2 mi, River Sioux), 51040 (8.1 mi, Onawa), 51558 (9.6 mi, Moorhead), 51564 (10.4 mi, Pisgah), 68020 (10.8 mi, Decatur) and 68061 (10.8 mi, Tekamah).

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