PlainZIP

Alvord, IA · standard

ZIP Code 51230

Lyon County, Iowa - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

462
7/sq mi
$75,625
Median income
$190,800
Median home value
19.6%
Bachelor's or higher

The verdict

Alvord pairs an above-median household income with below-median home values, in a rural, homeowner-dominated area.

Top 44%
household income, US ZIPs
41th pct
home value, US ZIPs
7
people per sq mi
99%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 51230 against every reporting US ZIP.

ZIP code 51230 is a sparsely populated ZIP (a standard USPS delivery area) in Alvord, Lyon County, Iowa, home to just 462 residents across 65.1 square miles, a density of 7 people per square mile, in the Chicago time zone.

ZIP 51230 lands in the middle-income range, with a median household income of $75,625 (1% below the Iowa average), while per-capita income is $30,405. Poverty here runs at 0.0%, with unemployment measured at 0.8%. Housing costs here run $190,800 for a typical home value (9% above the state average), with rent averaging - a month; 98.9% of homes are owner-occupied.

Educational attainment sits below the national norm: 19.6% of adults hold a bachelor's degree or higher, the median age is 51.2, and the average commute is 27 minutes. A geography-based comparison follows: 4 ZIP codes within about 10 miles of 51230, plus 6 more within Lyon County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 51230, Alvord, IA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

462

Population

65.1

Area (sq mi)

7

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 51230?

51.2

Median Age

54.8%

Male

45.2%

Female

0.0%

Foreign-Born

White 97.9%
African American 0.4%
Asian 0.8%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.8%
Hispanic or Latino 0.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$75,625

Median Household Income

-1% vs state

$30,405

Per Capita Income

0.0%

Poverty Rate

0.8%

Unemployment Rate

26.8 min

Mean Commute Time

How ZIP 51230 ranks nationally

Alvord, IA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$75,625 Top 44% higher than 56% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 74.9%
Bachelor's Degree or Higher 19.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

207

Total Housing Units

185

Occupied Units

22

Vacant Units

2.58

Avg Household Size

Occupancy Type

Owner 98.9%
Renter 1.1%

$190,800

Median Home Value

+9% vs state

1938

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 14 business establishments in ZIP 51230, employing approximately 29 people with a combined annual payroll of $1,368,000.

14

Businesses

29

Employees

$1.4M

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Construction 4 28.6%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 51230 vs 51242 →

ZIP 51230 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 51230 ranks #4 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 51230 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 51230 ranks #4 of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
51242 Lester, IA 212 5.6 mi
51235 Doon, IA 1,079 7.0 mi
51240 Inwood, IA 1,746 7.6 mi
51241 Larchwood, IA 1,737 9.2 mi

More ZIP Codes in Lyon County

51246 standard
Rock Rapids, IA
Pop: 3,844
51240 standard
Inwood, IA
Pop: 1,746
51241 standard
Larchwood, IA
Pop: 1,737
51237 standard
George, IA
Pop: 1,703
51235 standard
Doon, IA
Pop: 1,079
51243 standard
Little Rock, IA
Pop: 807

Related Areas

Lyon County Alvord, IA Iowa

Frequently Asked Questions

What county is ZIP code 51230 in? ▼
ZIP code 51230 (Alvord) is located in Lyon County, Iowa. Lyon County contains multiple ZIP codes, see the full list at /counties/lyon-ia.
What is the population of ZIP code 51230? ▼
ZIP code 51230 in Alvord, IA has a population of 462 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 51230? ▼
The median household income in ZIP 51230 is $75,625, which is 1% below the national average of $76,288.
What is the average home value in ZIP 51230? ▼
The median home value in ZIP 51230 is $190,800, which is 31% below the national average of $278,155.
What is the demographic makeup of ZIP 51230? ▼
The largest racial group in ZIP 51230 is White at 97.9%.
How many businesses are in ZIP code 51230? ▼
ZIP code 51230 has 14 business establishments employing approximately 29 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 51230? ▼
In ZIP code 51230, 74.9% of residents aged 25+ have a high school diploma or higher, and 19.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 51230? ▼
The mean commute time for workers in ZIP code 51230 is 26.8 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 51230? ▼
In ZIP code 51230, approximately 98.9% of occupied housing units are owner-occupied and 1.1% are renter-occupied, based on Census ACS 2023 data.

Read our methodology to see how this data is sourced, computed, and verified.