Zip code 51535: Griswold, Iowa

Q: What city is zip code 51535?

51535 is assigned to Griswold, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 51535 in?

51535 is mostly in Cass County, but it extends into 1 other county.

Q: What is the population of 51535?

About 1,697 people live in 51535, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 51535?

The median household income in 51535 is $76,371.

Q: What zip codes are near 51535?

The closest zip codes to 51535 are 51544, 51532, 50847, 50843, 51591.

Residential delivery areaCass CountyCentral Time

Population

1,697

Median household income

$76K

U.S. $81K

Median home value

$152K

U.S. $333K

Median rent

$950/mo

U.S. $1,413

Median age

50.4

U.S. 38.9

Land area

135 sq mi

13 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 51535

51535 is a rural zip code in Griswold, Iowa (Cass County), covering 135 sq mi of land. About 1,697 people live here, or 13 per square mile. The median resident is 50.4 years old, compared with 38.9 nationally.

The median household earns $76,371 a year, close to the national median of $80,734. 7.9% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $152,300, or 2.0 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 79% of occupied homes are lived in by their owners, and renters pay a median of $950 a month.

23% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 23.3 minutes each way, and 15% of workers work from home. The most common jobs among working residents are in construction and repair; education; and healthcare. 16% of them are self-employed (U.S.: 10%).

How 51535 compares

Sorted from highest to lowest national percentile

Median age50.4
95th
U.S. 38.9 · IA 38.6162nd of 911 in IA
Residents 65 and older26.3%
94th
U.S. 17.2% · IA 18.1%182nd of 911 in IA
Self-employed workers15.6%
92nd
U.S. 10% · IA 10.2%341st of 911 in IA
Veterans8.6%
82nd
U.S. 6.2% · IA 6.5%255th of 911 in IA
Homeownership rate78.6%
75th
U.S. 65.2% · IA 71.7%582nd of 909 in IA
Healthcare workers11.4%
75th
U.S. 9.7% · IA 9.2%211th of 911 in IA
Government workers17.7%
75th
U.S. 14.5% · IA 14.5%215th of 911 in IA
Work from home15.1%
61st
U.S. 15.1% · IA 11.3%162nd of 911 in IA
Per capita income$43,285
59th
U.S. $44,673 · IA $40,877243rd of 911 in IA
Housing vacancy6.4%
48th
U.S. 10.1% · IA 8.5%603rd of 909 in IA
Median household income$76,371
45th
U.S. $80,734 · IA $75,059396th of 896 in IA
Median earnings per worker$46,500
45th
U.S. $49,666 · IA $47,712505th of 910 in IA
Residents under 1820.7%
37th
U.S. 22% · IA 22.9%605th of 911 in IA
Average commute23.3 min
32nd
U.S. 26.4 min · IA 19.8 min418th of 902 in IA
Income inequality (Gini)0.414
32nd
U.S. 0.483 · IA 0.444341st of 908 in IA
Poverty rate7.9%
31st
U.S. 12.5% · IA 11.1%495th of 909 in IA
Bachelor's degree or higher22.6%
28th
U.S. 35.7% · IA 31.4%384th of 911 in IA
Median gross rent$950
17th
U.S. $1,413 · IA $972198th of 771 in IA
Median home value$152,300
10th
U.S. $332,700 · IA $208,000520th of 881 in IA
Broadband access83.8%
10th
WeaknessU.S. 91% · IA 88.9%697th of 909 in IA
Rent-burdened renters31.8%
6th
StrengthU.S. 51.1% · IA 43.9%487th of 882 in IA
Uninsured rate1.9%
5th
StrengthU.S. 8.4% · IA 5%685th of 911 in IA
Tech workers0.4%
5th
U.S. 3.8% · IA 2.9%535th of 911 in IA
Diversity index9.6
4th
U.S. 61.4 · IA 31.4604th of 911 in IA
Population1,697
2nd
U.S. 334,922,499 · IA 3,210,507315th of 911 in IA
Foreign-born residents0.3%
2nd
U.S. 14.1% · IA 5.9%620th of 911 in IA
Population density13/sq mi
1st
U.S. 95/sq mi · IA 58/sq mi687th of 911 in IA
Unemployment rate0.9%
1st
StrengthU.S. 5.2% · IA 3.6%664th of 911 in IA

Measure	51535	Cass	IA	U.S.	National percentile	Rank in IA
Median age	50.4	43.5	38.6	38.9	95th	162nd of 911
Residents 65 and older	26.3%	23.4%	18.1%	17.2%	94th	182nd of 911
Self-employed workers	15.6%	13.4%	10.2%	10%	92nd	341st of 911
Veterans	8.6%	6.4%	6.5%	6.2%	82nd	255th of 911
Homeownership rate	78.6%	71.6%	71.7%	65.2%	75th	582nd of 909
Healthcare workers	11.4%	8.9%	9.2%	9.7%	75th	211th of 911
Government workers	17.7%	15.5%	14.5%	14.5%	75th	215th of 911
Work from home	15.1%	10%	11.3%	15.1%	61st	162nd of 911
Per capita income	$43,285	$37,667	$40,877	$44,673	59th	243rd of 911
Housing vacancy	6.4%	8.6%	8.5%	10.1%	48th	603rd of 909
Median household income	$76,371	$63,013	$75,059	$80,734	45th	396th of 896
Median earnings per worker	$46,500	$41,340	$47,712	$49,666	45th	505th of 910
Residents under 18	20.7%	23.2%	22.9%	22%	37th	605th of 911
Average commute	23.3 min	15.1 min	19.8 min	26.4 min	32nd	418th of 902
Income inequality (Gini)	0.414	0.465	0.444	0.483	32nd	341st of 908
Poverty rate	7.9%	14.3%	11.1%	12.5%	31st	495th of 909
Bachelor's degree or higher	22.6%	22.1%	31.4%	35.7%	28th	384th of 911
Median gross rent	$950	$777	$972	$1,413	17th	198th of 771
Median home value	$152,300	$150,300	$208,000	$332,700	10th	520th of 881
Broadband accessWeakness	83.8%	83.9%	88.9%	91%	10th	697th of 909
Rent-burdened rentersStrength	31.8%	48.9%	43.9%	51.1%	6th	487th of 882
Uninsured rateStrength	1.9%	4.1%	5%	8.4%	5th	685th of 911
Tech workers	0.4%	0.9%	2.9%	3.8%	5th	535th of 911
Diversity index	9.6	12.5	31.4	61.4	4th	604th of 911
Population	1,697	13,096	3,210,507	334,922,499	2nd	315th of 911
Foreign-born residents	0.3%	0.9%	5.9%	14.1%	2nd	620th of 911
Population density	13/sq mi	23/sq mi	58/sq mi	95/sq mi	1st	687th of 911
Unemployment rateStrength	0.9%	1.4%	3.6%	5.2%	1st	664th of 911

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

16%

5–17

18–24

25–34

35–44

16%

45–54

14%

55–64

12%

65–74

14%

75+

Median age

50.4

Under 18

20.7%

65 and over

26.3%

Race and ethnicity

White95%
Black0%
Hispanic0.9%
Asian0%
Native American0%
Pacific Islander0%
Other0.4%
Multiracial4%

Diversity index

9.6

U.S. 61.4

Foreign-born

0.3%

U.S. 14.1%

Born in state

63.2%

Language spoken at home (households)

English only

100%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 740
Average household size: 2.3
Family households: 63.6%
Married couples: 52.2%
Living alone: 32.4%
Veterans (of adults): 8.6%
Male / female: 53% / 47%

Income and poverty

Household income distribution

<$25k

11%

$25–50k

18%

$50–75k

18%

$75–100k

13%

$100–150k

20%

$150–200k

$200k+

13%

Median household income

51535

$76,371

Cass Co.

$63,013

Iowa

$75,059

United States

$80,734

Per capita income

$43,285

U.S. $44,673

Poverty rate

7.9%

U.S. 12.5%

Households earning $150K+

18.8%

U.S. 23%

Income inequality (Gini)

0.414

U.S. 0.483

Housing

Median home value

51535

$152,300

Cass Co.

$150,300

Iowa

$208,000

United States

$332,700

Median gross rent

51535

$950

Cass Co.

$777

Iowa

$972

United States

$1,413

Types of housing

Single-family

94%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 791
Owner-occupied: 78.6%
Vacant: 6.4%
Median year built: 1943
Median rooms: 6.2
Renters paying 30%+ of income: 31.8%
Renters paying 50%+ of income: 4.5%
Home value to income: 2.0× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

73%

Carpooled

Transit

Walked

Bicycle

0.2%

Worked from home

15%

Other

Commute time (one way)

<10 min

26%

10–19

14%

20–29

38%

30–44

45–59

60+

Average commute

23.3 min

U.S. 26.4 min

Unemployment

0.9%

U.S. 5.2%

In labor force

60.4%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Construction and repair

16%

Education

12%

Healthcare

11%

Management

11%

Office and admin

10%

Transportation and moving

Production

Sales

Cleaning and personal care

Police and fire

Food service

Business and finance

Legal and social services

Engineering and science

Arts, media and sports

Farming, fishing and forestry

0.6%

Computer and math

0.4%

Industries

Health care and social assistance

17%

Education

10%

Retail

10%

Agriculture and mining

10%

Transportation, warehousing and utilities

Finance, insurance and real estate

Construction

Manufacturing

Public administration

Other services

Restaurants and hotels

Information

Admin, support and management

Professional and technical services

Wholesale

0.7%

Arts and recreation

0.7%

Median earnings per worker

$46,500

U.S. $49,666

Self-employed

15.6%

U.S. 10%

Government workers

17.7%

U.S. 14.5%

Nonprofit workers

9.2%

U.S. 8.8%

Median earnings by type of work

Type of work	51535	U.S.
Management, business, science and arts	$50,250	$74,888
Service	$22,500	$26,804
Sales and office	$36,146	$40,476
Construction and maintenance	$53,214	$49,199
Production and transportation	$42,083	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

36%

Some college

24%

Associate's

12%

Bachelor's

14%

Graduate

High school graduate or higher: 95%
Bachelor's degree or higher: 22.6%
Graduate or professional degree: 9.1%
Households with broadband: 83.8%
Cable, fiber or DSL: 75.4%
No internet access: 10.4%
Without health insurance: 1.9%
Limited-English households: 0%

Geography

City (USPS): Griswold
State: Iowa
County: Cass County
Center point: 41.2265° N, 95.1267° W
Land area: 135 sq mi
Water area: under 0.1 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

51535 spans 2 counties

Cass County56% of land
Pottawattamie County44% of land

Zip codes near 51535

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
51544	Lewis, IA	6.2 mi	793	$48,313	$81,000
51532	Elliott, IA	6.2 mi	644	$65,375	$99,400
50847	Grant, IA	9.5 mi	35	$68,125	$40,000
50843	Cumberland, IA	13 mi	540	$56,125	$105,000
51591	Red Oak, IA · PO box	14 mi	—	—	—
50022	Atlantic, IA	15 mi	8,526	$63,125	$157,600
51525	Carson, IA	15 mi	1,067	$82,308	$196,700
51560	Oakland, IA	16 mi	1,772	$75,481	$177,100
51566	Red Oak, IA	16 mi	7,010	$56,637	$134,200
51541	Henderson, IA	16 mi	273	$91,875	$163,600
51536	Hancock, IA	17 mi	613	$101,750	$163,200
51577	Walnut, IA	17 mi	1,561	$71,518	$134,100

Zip codes like 51535 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 51535

What city is zip code 51535?

51535 is assigned to Griswold, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 51535 in?

51535 is mostly in Cass County, but it extends into 1 other county.

What is the population of 51535?

About 1,697 people live in 51535, according to the Census Bureau's American Community Survey.

What time zone is 51535 in?

51535 is in Central Time.

What is the median household income in 51535?

The median household income in 51535 is $76,371.

What zip codes are near 51535?

The closest zip codes to 51535 are 51544, 51532, 50847, 50843, 51591.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 51535, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.