PlainZIP

Johnston, IA · standard

ZIP Code 50131

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

17,499
314/sq mi
$106,551
Median income
$369,400
Median home value
57.7%
Bachelor's or higher

The verdict

Johnston pairs an upper-quartile household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 15%
household income, US ZIPs
Top 24%
home value, US ZIPs
314
people per sq mi
71%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 50131 against every reporting US ZIP.

ZIP code 50131 is a mid-sized community (a standard USPS delivery area) in Johnston, Polk County, Iowa, home to 17,499 residents across 55.7 square miles, a density of 314 people per square mile, in the Chicago time zone.

ZIP 50131 lands in the middle-income range, with a median household income of $106,551 (39% above the Iowa average), while per-capita income is $57,553. The poverty rate stands at 10.1% and the unemployment rate at 2.1%. The typical home here is valued at $369,400 (110% above the state average); renters pay a median of $1,338 monthly, and 71.1% of units are owner-occupied.

This is a highly-educated ZIP: 57.7% of adults hold a bachelor's degree or higher, the median age is 37.5, and the average commute is 20 minutes. To put 50131 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Polk County, for a geography-aware comparison.

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 →

Top industries in ZIP 50131

Top 5 sectors by establishment count in Johnston, IA

Which industries have the most business establishments in ZIP 50131.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

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 50131, Johnston, 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

17,499

Population

55.7

Area (sq mi)

314

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 50131?

37.5

Median Age

48.5%

Male

51.5%

Female

9.4%

Foreign-Born

White 76.7%
African American 10.5%
Asian 7.2%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.3%
Hispanic or Latino 2.7%

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?

$106,551

Median Household Income

+39% vs state

$57,553

Per Capita Income

10.1%

Poverty Rate

2.1%

Unemployment Rate

19.8 min

Mean Commute Time

How ZIP 50131 ranks nationally

Johnston, IA household income vs. every US ZIP code

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

$106,551 Top 15% higher than 85% 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%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $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 71.5%
Bachelor's Degree or Higher 57.7%

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

What does housing look like?

9,822

Total Housing Units

9,361

Occupied Units

461

Vacant Units

2.60

Avg Household Size

Occupancy Type

Owner 71.1%
Renter 28.9%

$369,400

Median Home Value

+110% vs state

$1,338

Median Rent

2004

Median Year Built

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

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

-1.1%

YoY Change (2024)

185

HPI Index (2000 = 100)

+85%

Total Change Since 2000

Home values in ZIP 50131 have decreased 1.1% over the past year (2024). Since 2000, this ZIP has seen +85% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.0% 139
2021 +8.3% 150
2022 +12.6% 169
2023 +10.6% 187
2024 -1.1% 185

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 671 business establishments in ZIP 50131, employing approximately 15,205 people with a combined annual payroll of $1,323,181,000.

671

Businesses

15,205

Employees

$1.3B

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 89 13.3%
Health care and social assistance 83 12.4%
Construction 82 12.2%
Finance and insurance 69 10.3%
Accommodation and food services 56 8.3%
Retail trade 54 8.1%
Other services (except public administration) 51 7.6%
Real estate and rental and leasing 40 6.0%
Administrative and support and waste management and remediation services 37 5.5%
Wholesale trade 36 5.4%
Transportation and warehousing 26 3.9%
Management of companies and enterprises 12 1.8%
Educational services 11 1.6%
Information 9 1.3%
Manufacturing 8 1.2%
Arts, entertainment, and recreation 6 0.9%

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 50131 vs 50322 →

ZIP 50131 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 50131 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 50131 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 50131 ranks #5 of 9 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
50322 Urbandale, IA 31,530 4.2 mi
50111 Grimes, IA 9,407 4.5 mi
50324 Windsor Heights, IA 4,903 6.2 mi
50310 Des Moines, IA 30,221 5.1 mi
50226 Polk City, IA 4,724 6.9 mi
50023 Ankeny, IA 27,986 5.2 mi
50313 Des Moines, IA 17,376 5.6 mi
50311 Des Moines, IA 15,113 6.8 mi
50312 Des Moines, IA 15,339 8.1 mi
50323 Urbandale, IA 10,201 6.4 mi

More ZIP Codes in Polk County

50317 standard
Des Moines, IA
Pop: 36,207
50315 standard
Des Moines, IA
Pop: 35,853
50265 standard
West Des Moines, IA
Pop: 31,653
50322 standard
Urbandale, IA
Pop: 31,530
50310 standard
Des Moines, IA
Pop: 30,221
50023 standard
Ankeny, IA
Pop: 27,986

Related Areas

Polk County Johnston, IA Iowa

Frequently Asked Questions

What county is ZIP code 50131 in? ▼
ZIP code 50131 (Johnston) is located in Polk County, Iowa. Polk County contains multiple ZIP codes, see the full list at /counties/polk-ia.
What is the population of ZIP code 50131? ▼
ZIP code 50131 in Johnston, IA has a population of 17,499 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 50131? ▼
The median household income in ZIP 50131 is $106,551, which is 40% above the national average of $76,288.
What is the average home value in ZIP 50131? ▼
The median home value in ZIP 50131 is $369,400, which is 33% above the national average of $278,155.
What is the demographic makeup of ZIP 50131? ▼
The largest racial group in ZIP 50131 is White at 76.7%. Hispanic or Latino residents make up 2.7% of the population.
How many businesses are in ZIP code 50131? ▼
ZIP code 50131 has 671 business establishments employing approximately 15,205 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 50131? ▼
The top industries by establishment count in ZIP 50131 are: Professional, scientific, and technical services (89), Health care and social assistance (83), Construction (82). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 50131? ▼
According to the FHFA House Price Index, home values in ZIP 50131 decreased by 1.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 85%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 50131? ▼
In ZIP code 50131, 71.5% of residents aged 25+ have a high school diploma or higher, and 57.7% 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 50131? ▼
The mean commute time for workers in ZIP code 50131 is 19.8 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 50131? ▼
In ZIP code 50131, approximately 71.1% of occupied housing units are owner-occupied and 28.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 50131? ▼
The poverty rate in ZIP code 50131 is 10.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

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