Louisa County, IA ZIP Codes

Iowa (IA) · 7 ZIP codes · 7 cities

ZIP codes

10,749

population (2021)

-5.6%

pop change since 2010

19115

FIPS code

Louisa County ZIP code map

About Louisa County

Louisa County is located in Iowa and contains 7 ZIP codes across 7 cities and communities. The county's population was 10,749 as of 2021, a decrease of 5.6% from 11,387 in 2010. The timezone is Mountain Time (observes DST). The Federal Information Processing System (FIPS) code for Louisa County is 19115.

Population
2021 population	10,749
2010 population	11,387
Change	-5.6%

County details
State	Iowa
FIPS code	19115
Timezone	Mountain
Daylight saving	Yes

Cities in Louisa County

Columbus City Columbus Junction Grandview Letts Morning Sun Oakville Wapello

ZIP codes for Louisa County, IA (7)

ZIP code	City	County	Map
52640	Morning Sun	Louisa	View map
52646	Oakville	Louisa	View map
52653	Wapello	Louisa	View map
52737	Columbus City	Louisa	View map
52738	Columbus Junction	Louisa	View map
52752	Grandview	Louisa	View map
52754	Letts	Louisa	View map

Demographics & statistics

9,932

Population

43.1

Median age

$75,451

Median household income

$34,998

Per capita income

$136,150

Median home value

$638

Median monthly rent

86.3%

Home ownership

9.9%

Poverty rate

5.5%

Unemployment

3,603

Housing units

11.9%

Bachelor's or higher

Age distribution

Male Female

285

Under 5

260

230

5–9

209

296

10–14

269

392

15–19

357

309

20–24

281

584

25–34

532

621

35–44

566

658

45–54

599

372

55–59

339

371

60–64

338

577

65–74

525

352

75–84

320

152

85+

138

← Male

Female →

Age summary

Group	Count	%
Under 18	2,045	19.4%
18 and over	7,887	80.6%
65 and over	2,064	23.3%
Median age	43.1 years

Race & ethnicity

White 73.9%

Hispanic or Latino 9.8%

Other race 8%

Two or more races 5.1%

Asian 2%

Black or African American 0.7%

American Indian / Alaska Native 0.4%

Group	Count	%
White	8,141	73.9%
Hispanic or Latino	1,085	9.8%
Other race	883	8%
Two or more races	565	5.1%
Asian	222	2%
Black or African American	75	0.7%
American Indian / Alaska Native	46	0.4%

Household income

Under $10k 3.9%

$10k–$15k 2.5%

$15k–$25k 6.1%

$25k–$35k 9.8%

$35k–$50k 10.4%

$50k–$75k 18.0%

$75k–$100k 18.2%

$100k–$150k 20.7%

$150k–$200k 7.0%

$200k+ 3.6%

Range	% of households
Under $10k	3.9%
$10k–$15k	2.5%
$15k–$25k	6.1%
$25k–$35k	9.8%
$35k–$50k	10.4%
$50k–$75k	18.0%
$75k–$100k	18.2%
$100k–$150k	20.7%
$150k–$200k	7.0%
$200k+	3.6%
Median income	$75,451

Housing

Home values

Under $50k 8.6%

$50k–$100k 25.2%

$100k–$150k 22.1%

$150k–$200k 19.0%

$200k–$300k 13.8%

$300k–$500k 7.4%

$500k–$1M 3.7%

$1M+ 0.4%

Housing overview

Metric	Value
Median home value	$136,150
Median rent / month	$638
Owner occupied	86.3%
Renter occupied	13.7%
Vacant	10.2%
Single-family detached	85.6%
Large apartment buildings	0.2%
Mobile homes	9.7%
Median rooms	6.3
Avg household size (owned)	2.50

Year built

Era	%
2020 or later	0.1%
2010–2019	4.8%
2000–2009	6.5%
1990–1999	11.0%
1980–1989	7.1%
1970–1979	10.7%
1960–1969	11.5%
1950–1959	5.1%
1940–1949	5.3%
1939 or earlier	38.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	6.8%
2 bedrooms	21.6%
3 bedrooms	48.0%
4 bedrooms	15.3%
5+ bedrooms	8.0%

Vehicles per household

Vehicles	% of households
No vehicle	4.0%
1 vehicle	17.2%
2 vehicles	43.8%
3 or more	35.0%

Heating fuel

Fuel type	%
Utility gas	49.0%
Electricity	17.0%
Propane / LP gas	28.7%
Fuel oil	0.3%
Wood	2.8%
No fuel used	2.0%

Households & families

Household type	Count	%
Married-couple family	2,307	60.3%
Cohabiting couple	235	7.0%
Male householder, no spouse	542	15.8%
Female householder, no spouse	723	16.8%
Households with children under 18	1,145	28.2%
Households with seniors (65+)	1,410	39.6%
Average household size	2.49

Marital status

Status	Male	Female
Never married	27.2%	17.7%
Married	58.4%	59.7%
Separated	0.7%	2.2%
Widowed	3.1%	10.4%
Divorced	10.8%	10.1%

Education

Less than 9th grade 4.5%

Some HS, no diploma 8.6%

HS graduate 40.0%

Some college, no degree 24.5%

Associate's degree 10.6%

Bachelor's degree 9.6%

Graduate / professional 2.3%

Metric	%
HS diploma or higher	86.9%
Bachelor's or higher	11.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	127	6.7%
Kindergarten	107	5.4%
Elementary school	739	39.8%
High school	601	30.7%
College / grad school	383	17.5%

Employment

Industry of employment

Manufacturing 24.7%

Education & healthcare 19.3%

Transportation & utilities 8.8%

Agriculture & mining 8.6%

Retail trade 8.3%

Construction 8.1%

Wholesale trade 4.6%

Arts, food & hospitality 4.2%

Professional & management 3.8%

Public administration 3.7%

Finance & real estate 3.1%

Other services 1.6%

Information 1.3%

Occupation

Category	%
Management, business & arts	23.3%
Service	15.4%
Sales & office	14.4%
Natural resources & construction	16.9%
Production & transportation	30.1%

Employment type

Type	%
Private sector	81.8%
Government	13.2%
Self-employed	5.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.4%
Carpool	11.9%
Public transit	0.0%
Walk	2.5%
Other means	2.1%
Avg commute (minutes)	24.1

Poverty

All people 9.9%

Under 18 years 14.3%

18 and over 8.9%

Married-couple families 5.6%

Female-led households 11.6%

Income support

Source	% of households
Social Security	40.2%
Retirement income	26.1%
Supplemental Security	5.7%
Cash public assistance	0.9%
Food stamps / SNAP	9.7%

Health indicators

Condition	%
High blood pressure	32.8%
High cholesterol	32.6%
Heart disease	6.9%
Stroke	3.1%
Asthma	9.4%
Arthritis	24.4%
Kidney disease	3.0%
Pulmonary disease	7.1%
Cancer	7.0%

Behavior / access	%
Binge drinking	21.5%
No physical activity	25.4%
Less than 7 hrs sleep	31.8%
Fair or poor health	14.3%
Poor mental health	13.7%
Poor physical health	10.2%
No health insurance	12.5%
Visited doctor (checkup)	74.6%
Visited dentist	65.0%
Cholesterol screening	87.9%
Teeth loss	14.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	470	8.2%

Disability	%
Any disability	17.7%
Under 18	2.5%
18–64 years	9.6%
65 and over	49.2%

Health insurance coverage

Type	%
Private insurance	70.9%
Public insurance	42.8%
Uninsured under 19	0.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,387	95.3%
Spanish	761	7.9%
Other Indo-European	657	7.4%
Asian & Pacific Islander	0	0.0%
Other languages	82	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	9,008	92.3%
Born in same state	8,926	91.2%
Born in different state	7,591	77.9%
Foreign born	82	1.0%
Naturalized citizen	924	7.8%
Not a US citizen	356	49.5%

Ancestry

Ancestry	Count	%
Italian	1,026	10.3%
French	800	8.1%
Arab	496	5%
English	166	1.7%

Ancestry	Count	%
Polish	128	1.3%
Irish	34	0.3%
Dutch	27	0.3%
German	1	0%

Technology access

Metric	% of households
Computer access	40.2%
Internet access	91.8%

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

Explore more Iowa ZIP codes

All Iowa ZIP codes Columbus City ZIP codes Columbus Junction ZIP codes Grandview ZIP codes Letts ZIP codes Morning Sun ZIP codes Oakville ZIP codes Wapello ZIP codes