51230 ZIP Code — Alvord, IA

Lyon County, Iowa

ZIP code 51230 is located in Alvord, Iowa, within Lyon County. It covers approximately 23.55 square miles and serves a population of 578 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.

About ZIP code 51230

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $166,200.

Median household income is $71,316. 38% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 23 minutes is near the national average. Remote work is prevalent — 27% of workers work from home.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%.

Overall, ZIP code 51230 reflects a community defined by a strong veteran community, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

578

population

23.55

sq mi land

Standard

ZIP type

Central (CT)

timezone

51230 ZIP code map

Cities in ZIP code 51230

Below are the cities the US Postal Service accepts for ZIP code 51230. Using any city not on this list may result in mail delivery delays.

City	Status
Alvord	Preferred

Nearby ZIP codes

51235 Doon (5.6 mi) 51240 Inwood (8 mi) 51246 Rock Rapids (9 mi) 51241 Larchwood (9.7 mi) 51247 Rock Valley (12.2 mi) 51239 Hull (13.4 mi) 56138 Hills (13.6 mi) 57027 Fairview (14.6 mi) 57013 Canton (15.8 mi) 51237 George (16.2 mi) 57068 Valley Springs (18.2 mi) 51234 Boyden (18.6 mi)

Demographics updated 05/2026

Population
Total population	578
Population density	25 / sq mi
State FIPS	19
County FIPS	119

Geography
Land area	23.55 sq mi
Water area	0.00 sq mi
Latitude	43.3527
Longitude	-96.3116
Timezone	Central (CT)
Area code	712

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	55.3%	35.8%	40.1%
$50k – $100k	40.3%	40.3%	33.4%
$100k – $200k	4.4%	21.9%	21.5%
Over $200k	0.0%	2.0%	5.0%

Demographics & statistics

578

Population

People per sq mi

41.8

Median age

$71,316

Median household income

$25,251

Per capita income

$166,200

Median home value

Median monthly rent

100.0%

Home ownership

0.3%

Poverty rate

0.7%

Unemployment

215

Housing units

21.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	181	31.3%
18 and over	397	68.7%
65 and over	143	24.7%
Median age	41.8 years

Race & ethnicity

White 96.2%

Two or more races 1.2%

Black or African American 0.9%

Hispanic or Latino 0.7%

Other race 0.7%

Asian 0.3%

Group	Count	%
White	560	96.2%
Two or more races	7	1.2%
Black or African American	5	0.9%
Hispanic or Latino	4	0.7%
Other race	4	0.7%
Asian	2	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	55.3%	35.8%	40.1%
$50k – $100k	40.3%	40.3%	33.4%
$100k – $200k	4.4%	21.9%	21.5%
Over $200k	0.0%	2.0%	5.0%

Under $10k 1.0%

$15k–$25k 2.0%

$25k–$35k 3.0%

$35k–$50k 27.2%

$50k–$75k 22.3%

$75k–$100k 31.2%

$100k–$150k 10.9%

$150k–$200k 1.5%

$200k+ 1.0%

Range	% of households
Under $10k	1.0%
$15k–$25k	2.0%
$25k–$35k	3.0%
$35k–$50k	27.2%
$50k–$75k	22.3%
$75k–$100k	31.2%
$100k–$150k	10.9%
$150k–$200k	1.5%
$200k+	1.0%
Median income	$71,316

Housing

Home values

Under $50k 4.0%

$50k–$100k 16.8%

$100k–$150k 10.9%

$150k–$200k 28.2%

$200k–$300k 9.9%

$300k–$500k 18.8%

$500k–$1M 11.4%

Housing overview

Metric	Value
Median home value	$166,200
Median rent / month	$0
Owner occupied	100.0%
Renter occupied	0.0%
Vacant	6.0%
Single-family detached	100.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	7.3
Avg household size (owned)	2.86

Year built

Era	%
2020 or later	0.0%
2010–2019	3.7%
2000–2009	2.8%
1990–1999	12.1%
1980–1989	0.9%
1970–1979	3.3%
1960–1969	3.7%
1950–1959	21.4%
1940–1949	4.2%
1939 or earlier	47.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.5%
2 bedrooms	19.5%
3 bedrooms	23.7%
4 bedrooms	39.1%
5+ bedrooms	17.2%

Vehicles per household

Vehicles	% of households
No vehicle	17.8%
1 vehicle	4.0%
2 vehicles	11.9%
3 or more	66.3%

Heating fuel

Fuel type	%
Utility gas	31.7%
Electricity	32.2%
Propane / LP gas	36.1%

Households & families

Household type	Count	%
Married-couple family	176	87.1%
Cohabiting couple	4	2.0%
Male householder, no spouse	8	4.0%
Female householder, no spouse	14	6.9%
Households with children under 18	98	48.5%
Households with seniors (65+)	76	37.6%
Average household size	2.86

Marital status

Status	Male	Female
Never married	24.0%	1.1%
Married	72.0%	90.9%
Separated	0.4%	0.5%
Widowed	0.4%	3.7%
Divorced	3.3%	3.7%

Education

Less than 9th grade 1.8%

Some HS, no diploma 0.8%

HS graduate 55.3%

Some college, no degree 8.7%

Associate's degree 11.8%

Bachelor's degree 21.3%

Graduate / professional 0.3%

Metric	%
HS diploma or higher	97.4%
Bachelor's or higher	21.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	22	13.4%
Kindergarten	6	3.7%
Elementary school	83	50.6%
High school	36	22.0%
College / grad school	17	10.4%

Employment

Industry of employment

Manufacturing 25.9%

Agriculture & mining 25.2%

Education & healthcare 23.1%

Wholesale trade 10.5%

Transportation & utilities 5.6%

Retail trade 3.8%

Construction 2.1%

Professional & management 2.1%

Arts, food & hospitality 0.7%

Other services 0.7%

Finance & real estate 0.3%

Occupation

Category	%
Management, business & arts	41.6%
Service	11.5%
Sales & office	8.0%
Natural resources & construction	22.0%
Production & transportation	16.8%

Employment type

Type	%
Private sector	57.3%
Government	16.4%
Self-employed	26.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	62.9%
Carpool	9.8%
Public transit	0.0%
Walk	0.0%
Work from home	27.3%
Other means	0.0%
Avg commute (minutes)	23.4

Poverty

All people 0.3%

Under 18 years 0.0%

18 and over 0.5%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	38.1%
Retirement income	35.6%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	3.5%

Health indicators

Condition	%
Obesity	34.2%
High blood pressure	29.2%
High cholesterol	29.7%
Diabetes	8.5%
Heart disease	5.4%
Stroke	2.5%
Asthma	9.2%
Arthritis	21.4%
Kidney disease	2.4%
Pulmonary disease	6.0%
Cancer	6.1%

Behavior / access	%
Smoking	17.9%
Binge drinking	22.1%
No physical activity	22.9%
Less than 7 hrs sleep	30.6%
Depression	17.9%
Fair or poor health	11.6%
Poor mental health	13.7%
Poor physical health	8.9%
No health insurance	10.1%
Visited doctor (checkup)	74.8%
Visited dentist	66.3%
Cholesterol screening	87.2%
Teeth loss	13.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	57	14.4%

Disability	%
Any disability	3.5%
Under 18	3.9%
18–64 years	3.5%
65 and over	2.8%

Health insurance coverage

Type	%
Private insurance	88.4%
Public insurance	34.1%
No insurance	1.2%
Uninsured under 19	1.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	543	93.9%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	578	100.0%
Born in same state	576	99.7%
Born in different state	285	49.3%
Foreign born	2	0.3%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
English	337	58.3%
Arab	51	8.8%
Italian	31	5.4%

Ancestry	Count	%
Polish	15	2.6%
French	6	1%

Technology access

Metric	% of households
Computer access	34.9%
Internet access	97.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 51230

What city is ZIP code 51230 in?

ZIP code 51230 is primarily assigned to Alvord, Iowa.

What county is ZIP code 51230 in?

ZIP code 51230 falls within Lyon County, Iowa.

Is ZIP code 51230 family-oriented?

31% of residents in ZIP code 51230 are under 18, reflecting a younger, family-oriented community.

Does ZIP code 51230 have a large veteran population?

14% of civilians in ZIP code 51230 are veterans, above the national average of ~7%.

Does ZIP code 51230 have a large retiree population?

38% of households in ZIP code 51230 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 51230?

The median home value in ZIP code 51230 is $166,200.

What timezone is ZIP code 51230 in?

ZIP code 51230 observes the CST timezone.