Residential delivery area · Iowa

ZIP Code 51523: Blencoe, IA

ZIP code 51523 uses the postal name Blencoe, Iowa and lies mostly in Monona County (92% of its land) with the rest in Harrison County (Census 2020 ZIP-county file). About 380 people live there (Census Bureau, ACS 2020-2024). Median household income is $82,625 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Blencoe; 99% is outside any Census place.

  • ACS2020-24
  • Census2020
  • ZBP2023
  • IRS2022
5national area: Iowa, Minnesota, Montana, North Dakota, South Dakota and Wisconsin
515sectional center: Omaha, NE (SCF 680)
23delivery area within it
Town
Blencoe · its only residential ZIP
County
Monona County (92%); Harrison County (8%)
Census places
Blencoe
House district
IA-4 119th Congress
State
Iowa
Time zone
Central
Land area
50.2 sq mi · 8 people per sq mi

Where is ZIP code 51523?

51523 centers on 41.915°, -96.068° and covers 50.2 square miles of land plus 0.7 of water. It borders 5 ZIP codes: 51545, 51040, 51558, 68020, 68061.

51040 · Onawa51545 · Little Sioux51558 · Moorhead68020 · Decatur68061 · Tekamah51523 · Blencoe (this ZIP)51523680615104051558680205154551040 · Onawa51545 · Little Sioux51558 · Moorhead68020 · Decatur68061 · Tekamah51523 · Blencoe (this ZIP)51523680615104051558680205154551040 · Onawa51545 · Little Sioux51558 · Moorhead68020 · Decatur68061 · Tekamah51523 · Blencoe (this ZIP)515236806151040515586802051545
Shaded by median household income, in national fifths (ACS 2020-2024); 51523 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 51523, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 51523 compare with the rest of Monona County?

Rank of 51523 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure51523In Monona CountyIn IA
People (ACS 2020-2024)37910th of 14745th of 970
Median household income$83knot rankednot ranked
Median home value$137knot rankednot ranked

51523's income and home value are not ranked: it has fewer than 1,000 residents (379). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.

It is denser than 14% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 51523?

The 2020 Census counted 358 people in 51523; the ACS, which samples households over 2020-2024, estimates 379. Between the 2010 and 2020 censuses its population grew 0.3% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
379±77 (90% margin)
2020 Census count
358+0.3% since 2010 (357)
Households
169
Median age
50.2

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 51523?

Of the 379 people the ACS estimates in 51523, 23.2% are under 18 and 30.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (96.6%).

  • Under 1823.2%
  • 18 to 6445.9%
  • 65 and older30.9%
Age of the people of 51523 (ACS 2020-2024, B01001)
  • White, not Hispanic96.6%
  • Hispanic or Latino2.6%
  • Other or two or more0.8%
  • Black, not Hispanic0.0%
  • Asian, not Hispanic0.0%
Race and Hispanic origin in 51523 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 51523 earn?

Median household income is $82,625 (ACS 2020-2024). It is not measurably different from 2015-2019 ($86,656 in 2024 dollars): the change is within the surveys' margins of error.

Median household income
$82,625±$31,666
Income per person
$40,604
Below the poverty line
8.2%
Unemployed (of the labor force)
3.9%
Adults 25+ with a bachelor's degree
18.9%
Adjusted gross income per tax return, 2022
$88,747150 returns; wages 43% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 51523?

Median home value (owners' estimate)
$136,800
Median gross rent
$857
Homes owned by their occupants
79.3%
Housing units
178

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).

What businesses are in 51523?

3 business establishments had a location in this ZIP code in 2023, the same count as in 2018 (ZIP Code Business Patterns).

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 51523?

ZIP codes that share a boundary with 51523, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
51545Little Sioux267$70k5.2 mi
51040Onawa3,500$71k8.1 mi
51558Moorhead549$77k9.6 mi
68020Decatur, NE644$49k10.8 mi
68061Tekamah, NE2,268$65k10.8 mi
51564Pisgah520$79k10.4 mi (near)
51557Mondamin828$76k12.9 mi (near)
51572Soldier371$70k14.2 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.