Residential delivery area · Iowa

ZIP Code 51230: Alvord, IA

ZIP code 51230 uses the postal name Alvord, Iowa and lies entirely in Lyon County (Census 2020 ZIP-county file). About 480 people live there (Census Bureau, ACS 2020-2024). Median household income is $75,625 (Census Bureau, ACS 2020-2024). By Census place, 3% of its land lies in Alvord; 98% is outside any Census place.

  • ACS2020-24
  • Census2020
  • ZBP2023
  • IRS2022
5national area: Iowa, Minnesota, Montana, North Dakota, South Dakota and Wisconsin
512sectional center: Sioux Falls, SD (SCF 570)
30delivery area within it
Town
Alvord · its only residential ZIP
Census places
Alvord
House district
IA-4 119th Congress
State
Iowa
Time zone
Central
Land area
23.6 sq mi · 20 people per sq mi

Where is ZIP code 51230?

51230 centers on 43.356°, -96.322° and covers 23.6 square miles of land. It borders 5 ZIP codes: 51242, 51235, 51240, 51246, 51241.

51235 · Doon51240 · Inwood51241 · Larchwood51242 · Lester51246 · Rock Rapids51230 · Alvord (this ZIP)51230512465124051241512355124251235 · Doon51240 · Inwood51241 · Larchwood51242 · Lester51246 · Rock Rapids51230 · Alvord (this ZIP)51230512465124051241512355124251235 · Doon51240 · Inwood51241 · Larchwood51242 · Lester51246 · Rock Rapids51230 · Alvord (this ZIP)5123051240512415123551242
Shaded by median household income, in national fifths (ACS 2020-2024); 51230 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 51230, 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 51230 compare with the rest of Lyon County?

Rank of 51230 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)
Measure51230In Lyon CountyIn IA
People (ACS 2020-2024)47811th of 12682nd of 970
Median household income$76knot rankednot ranked
Median home value$191knot rankednot ranked

51230's income and home value are not ranked: it has fewer than 1,000 residents (478). 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 26% 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 51230?

The 2020 Census counted 451 people in 51230; the ACS, which samples households over 2020-2024, estimates 478. Between the 2010 and 2020 censuses its population fell 2.4% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
478±220 (90% margin)
2020 Census count
451−2.4% since 2010 (462)
Households
185
Median age
51.2

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 51230?

Of the 478 people the ACS estimates in 51230, 25.7% are under 18 and 29.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (97.9%).

  • Under 1825.7%
  • 18 to 6444.8%
  • 65 and older29.5%
Age of the people of 51230 (ACS 2020-2024, B01001)
  • White, not Hispanic97.9%
  • Asian, not Hispanic0.8%
  • Other or two or more0.8%
  • Black, not Hispanic0.4%
  • Hispanic or Latino0.0%
Race and Hispanic origin in 51230 (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 51230 earn?

Median household income is $75,625 (ACS 2020-2024). It is not measurably different from 2015-2019 ($75,102 in 2024 dollars): the change is within the surveys' margins of error.

Median household income
$75,625±$45,548
Income per person
$30,405
Below the poverty line
0.0%
Unemployed (of the labor force)
0.8%
Adults 25+ with a bachelor's degree
19.6%
Adjusted gross income per tax return, 2022
$92,496230 returns; wages 51% 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 51230?

Median home value (owners' estimate)
$190,800
Median gross rent
–
Homes owned by their occupants
98.9%
Housing units
207

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

What businesses are in 51230?

14 business establishments had a location in this ZIP code in 2023, 3 more than in 2018; the most are in construction (ZIP Code Business Patterns).

  • Construction4

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 51230?

ZIP codes that share a boundary with 51230, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
51242Lester379$96k5.3 mi
51235Doon1,007$71k6.8 mi
51240Inwood1,914$84k7.6 mi
51246Rock Rapids4,041$72k9.4 mi
51241Larchwood2,103$87k9.6 mi
51247Rock Valley5,094$78k11.3 mi (near)
56173Steen, MN307$59k12.3 mi (near)
56138Hills, MN927$79k12.8 mi (near)

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