51449 ZIP Code — Lake City, IA

Calhoun County, Iowa

ZIP code 51449 is located in Lake City, Iowa, within Calhoun County. It covers approximately 89.68 square miles and serves a population of 2,020 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.

About ZIP code 51449

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 $104,400. Owner-occupancy is high at 79%, well above the national average.

Median household income is $68,750. 43% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 15 minutes is near the national average.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 51449 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

2,020

population

89.68

sq mi land

Standard

ZIP type

Central (CT)

timezone

51449 ZIP code map

Cities in ZIP code 51449

Below are the cities the US Postal Service accepts for ZIP code 51449. Using any city not on this list may result in mail delivery delays.

City	Status
Lake City	Preferred

Nearby ZIP codes

51453 Lohrville (8.2 mi) 51433 Auburn (8.6 mi) 50579 Rockwell City (9.1 mi) 50561 Lytton (10.9 mi) 50538 Farnhamville (14.1 mi) 51443 Glidden (14.4 mi) 50050 Churdan (14.4 mi) 50551 Jolley (14.5 mi) 50586 Somers (16 mi) 51450 Lake View (16.1 mi) 51401 Carroll (16.2 mi) 51436 Breda (17.4 mi)

Demographics updated 05/2026

Population
Total population	2,020
Population density	23 / sq mi
State FIPS	19
County FIPS	025

Geography
Land area	89.68 sq mi
Water area	0.55 sq mi
Latitude	42.2756
Longitude	-94.7213
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	43.7%	47.5%	40.1%
$50k – $100k	31.6%	31.1%	33.4%
$100k – $200k	19.7%	17.2%	21.5%
Over $200k	5.0%	4.2%	5.0%

Demographics & statistics

2,020

Population

People per sq mi

49.9

Median age

$68,750

Median household income

$39,309

Per capita income

$104,400

Median home value

$719

Median monthly rent

79.0%

Home ownership

9.5%

Poverty rate

1.7%

Unemployment

737

Housing units

17.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

136

25–34

139

35–44

45–54

55–59

105

60–64

108

152

65–74

155

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	395	19.6%
18 and over	1,625	80.4%
65 and over	564	27.9%
Median age	49.9 years

Race & ethnicity

White 91.3%

Two or more races 4.8%

Hispanic or Latino 2.1%

Other race 1.7%

Black or African American 0.1%

Group	Count	%
White	1,884	91.3%
Two or more races	98	4.8%
Hispanic or Latino	43	2.1%
Other race	36	1.7%
Black or African American	2	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	43.7%	47.5%	40.1%
$50k – $100k	31.6%	31.1%	33.4%
$100k – $200k	19.7%	17.2%	21.5%
Over $200k	5.0%	4.2%	5.0%

Under $10k 1.8%

$10k–$15k 3.5%

$15k–$25k 8.3%

$25k–$35k 9.9%

$35k–$50k 10.9%

$50k–$75k 19.1%

$75k–$100k 19.3%

$100k–$150k 20.8%

$150k–$200k 1.9%

$200k+ 4.8%

Range	% of households
Under $10k	1.8%
$10k–$15k	3.5%
$15k–$25k	8.3%
$25k–$35k	9.9%
$35k–$50k	10.9%
$50k–$75k	19.1%
$75k–$100k	19.3%
$100k–$150k	20.8%
$150k–$200k	1.9%
$200k+	4.8%
Median income	$68,750

Housing

Home values

Under $50k 14.4%

$50k–$100k 32.9%

$100k–$150k 20.3%

$150k–$200k 7.0%

$200k–$300k 16.6%

$300k–$500k 4.4%

$500k–$1M 4.4%

Housing overview

Metric	Value
Median home value	$104,400
Median rent / month	$719
Owner occupied	79.0%
Renter occupied	21.0%
Vacant	11.6%
Single-family detached	87.7%
Large apartment buildings	0.0%
Mobile homes	3.5%
Median rooms	6.4
Avg household size (owned)	2.34

Year built

Era	%
2020 or later	0.0%
2010–2019	4.2%
2000–2009	4.8%
1990–1999	2.9%
1980–1989	5.7%
1970–1979	14.4%
1960–1969	12.0%
1950–1959	11.3%
1940–1949	4.8%
1939 or earlier	40.0%

Bedrooms

Size	% of units
No bedroom (studio)	1.5%
1 bedroom	8.8%
2 bedrooms	27.3%
3 bedrooms	39.4%
4 bedrooms	14.9%
5+ bedrooms	8.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.8%
1 vehicle	24.5%
2 vehicles	44.9%
3 or more	27.9%

Heating fuel

Fuel type	%
Utility gas	57.6%
Electricity	28.3%
Propane / LP gas	8.4%
Wood	0.4%
No fuel used	2.0%

Households & families

Household type	Count	%
Married-couple family	468	58.5%
Cohabiting couple	53	6.6%
Male householder, no spouse	106	13.3%
Female householder, no spouse	173	21.6%
Households with children under 18	193	24.1%
Households with seniors (65+)	340	42.5%
Average household size	2.40

Marital status

Status	Male	Female
Never married	25.2%	20.6%
Married	63.2%	51.3%
Separated	0.9%	0.9%
Widowed	3.0%	15.6%
Divorced	7.7%	11.6%

Education

Less than 9th grade 0.0%

Some HS, no diploma 4.9%

HS graduate 41.9%

Some college, no degree 21.6%

Associate's degree 14.3%

Bachelor's degree 10.3%

Graduate / professional 6.9%

Metric	%
HS diploma or higher	95.1%
Bachelor's or higher	17.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	19	6.1%
Kindergarten	41	13.2%
Elementary school	153	49.4%
High school	63	20.3%
College / grad school	34	11.0%

Employment

Industry of employment

Education & healthcare 38.3%

Manufacturing 17.3%

Retail trade 11.7%

Agriculture & mining 5.8%

Other services 4.8%

Wholesale trade 4.5%

Construction 3.8%

Finance & real estate 3.6%

Professional & management 3.1%

Arts, food & hospitality 2.9%

Transportation & utilities 2.3%

Public administration 1.6%

Information 0.2%

Occupation

Category	%
Management, business & arts	33.5%
Service	21.1%
Sales & office	18.2%
Natural resources & construction	10.1%
Production & transportation	17.0%

Employment type

Type	%
Private sector	74.9%
Government	17.0%
Self-employed	8.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.3%
Carpool	9.8%
Public transit	0.0%
Walk	5.6%
Work from home	4.1%
Other means	0.2%
Avg commute (minutes)	14.6

Poverty

All people 9.5%

Under 18 years 8.7%

18 and over 9.7%

Married-couple families 1.3%

Female-led households 29.8%

Income support

Source	% of households
Social Security	43.1%
Retirement income	24.0%
Supplemental Security	9.3%
Cash public assistance	1.9%
Food stamps / SNAP	10.5%

Health indicators

Condition	%
Obesity	38.5%
High blood pressure	39.4%
High cholesterol	36.7%
Diabetes	12.2%
Heart disease	8.9%
Stroke	4.1%
Asthma	9.3%
Arthritis	30.8%
Kidney disease	3.7%
Pulmonary disease	8.5%
Cancer	9.1%

Behavior / access	%
Smoking	16.7%
Binge drinking	18.2%
No physical activity	27.0%
Less than 7 hrs sleep	29.1%
Depression	17.3%
Fair or poor health	15.2%
Poor mental health	12.6%
Poor physical health	11.1%
No health insurance	9.1%
Visited doctor (checkup)	78.0%
Visited dentist	64.1%
Cholesterol screening	90.2%
Teeth loss	14.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	93	5.7%

Disability	%
Any disability	13.8%
Under 18	1.5%
18–64 years	12.2%
65 and over	26.9%

Health insurance coverage

Type	%
Private insurance	68.9%
Public insurance	52.1%
No insurance	1.9%
Uninsured under 19	1.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,876	92.9%
Spanish	8	0.4%
Other Indo-European	8	0.4%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,015	99.8%
Born in same state	2,010	99.5%
Born in different state	1,635	80.9%
Foreign born	5	0.2%
Naturalized citizen	5	0.2%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	228	11.3%
Italian	144	7.1%
Arab	104	5.1%
Polish	93	4.6%

Ancestry	Count	%
Dutch	75	3.7%
English	22	1.1%
German	7	0.3%

Technology access

Metric	% of households
Computer access	39.6%
Internet access	90.4%

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

Frequently asked questions about ZIP code 51449

What city is ZIP code 51449 in?

ZIP code 51449 is primarily assigned to Lake City, Iowa.

What county is ZIP code 51449 in?

ZIP code 51449 falls within Calhoun County, Iowa.

Does ZIP code 51449 have an older population?

28% of residents in ZIP code 51449 are 65 or older, above the national average of ~17%.

Does ZIP code 51449 have a large retiree population?

43% of households in ZIP code 51449 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 51449?

The median home value in ZIP code 51449 is $104,400.

What is the population of ZIP code 51449?

ZIP code 51449 has an estimated population of 2,020 residents, with a density of 23 people per square mile.

What timezone is ZIP code 51449 in?

ZIP code 51449 observes the CST timezone.