PlainZIP

Fairfax, IA · standard

ZIP Code 52228

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

2,772
29/sq mi
$118,125
Median income
$308,900
Median home value
41.0%
Bachelor's or higher

The verdict

Fairfax pairs a top-decile household income with above-median home values, in a rural, homeowner-dominated area.

Top 10%
household income, US ZIPs
Top 32%
home value, US ZIPs
29
people per sq mi
91%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 52228 against every reporting US ZIP.

ZIP code 52228 covers 96.9 square miles in Fairfax, Linn County, Iowa (a standard USPS delivery area), with a modest 2,772 residents on file, a density of 29 people per square mile, in the Chicago time zone.

ZIP 52228 skews affluent, with a median household income of $118,125 (54% above the Iowa average), while per-capita income is $56,845. Local economic indicators show a 4.8% poverty rate alongside 2.8% unemployment. Median home value sits at $308,900 (76% above the state average), median rent at $1,167 a month, and owner-occupancy at 91.0%.

A solid share of residents have a four-year degree: 41.0% of adults hold a bachelor's degree or higher, the median age is 40.4, and the average commute is 22 minutes. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Linn County, letting you compare 52228 to its immediate surroundings rather than a national baseline alone.

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 52228

Top 5 sectors by establishment count in Fairfax, IA

Which industries have the most business establishments in ZIP 52228.

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 52228, Fairfax, 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

2,772

Population

96.9

Area (sq mi)

29

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 52228?

40.4

Median Age

52.4%

Male

47.6%

Female

2.8%

Foreign-Born

White 90.5%
African American 2.0%
Asian 1.3%
American Indian or Alaska Native 0.3%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.9%
Hispanic or Latino 4.1%

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?

$118,125

Median Household Income

+54% vs state

$56,845

Per Capita Income

4.8%

Poverty Rate

2.8%

Unemployment Rate

21.7 min

Mean Commute Time

How ZIP 52228 ranks nationally

Fairfax, IA household income vs. every US ZIP code

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

$118,125 Top 10% higher than 90% 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 64.6%
Bachelor's Degree or Higher 41.0%

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

What does housing look like?

1,483

Total Housing Units

1,416

Occupied Units

67

Vacant Units

2.69

Avg Household Size

Occupancy Type

Owner 91.0%
Renter 9.0%

$308,900

Median Home Value

+76% vs state

$1,167

Median Rent

2002

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)

184

HPI Index (2000 = 100)

+84%

Total Change Since 2000

Home values in ZIP 52228 have decreased 1.1% over the past year (2024). Since 2000, this ZIP has seen +84% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.5% 147
2021 +6.0% 156
2022 +12.0% 174
2023 +6.5% 186
2024 -1.1% 184

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 63 business establishments in ZIP 52228, employing approximately 373 people with a combined annual payroll of $23,311,000.

63

Businesses

373

Employees

$23.3M

Annual Payroll

7

Industry Sectors

Industry Establishments % of Total
Construction 19 30.2%
Other services (except public administration) 11 17.5%
Administrative and support and waste management and remediation services 6 9.5%
Retail trade 4 6.3%
Finance and insurance 4 6.3%
Professional, scientific, and technical services 4 6.3%
Accommodation and food services 4 6.3%

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 52228 vs 52351 →

ZIP 52228 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 52228 ranks #5 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 52228 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 52228 ranks #4 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
52351 Walford, IA 1,455 2.7 mi
52318 Norway, IA 1,033 5.3 mi
52404 Cedar Rapids, IA 37,796 5.2 mi
52405 Cedar Rapids, IA 23,621 6.3 mi
52338 Swisher, IA 3,283 6.6 mi
52206 Atkins, IA 2,303 7.8 mi
52203 Amana, IA 1,932 7.9 mi
52401 Cedar Rapids, IA 2,017 8.5 mi
52411 Cedar Rapids, IA 6,896 10.8 mi
52307 Middle Amana, IA 90 9.4 mi

More ZIP Codes in Linn County

52402 standard
Cedar Rapids, IA
Pop: 40,149
52404 standard
Cedar Rapids, IA
Pop: 37,796
52302 standard
Marion, IA
Pop: 36,980
52403 standard
Cedar Rapids, IA
Pop: 23,673
52405 standard
Cedar Rapids, IA
Pop: 23,621
52233 standard
Hiawatha, IA
Pop: 6,981

Related Areas

Linn County Fairfax, IA Iowa

Frequently Asked Questions

What county is ZIP code 52228 in? ▼
ZIP code 52228 (Fairfax) is located in Linn County, Iowa. Linn County contains multiple ZIP codes, see the full list at /counties/linn-ia.
What is the population of ZIP code 52228? ▼
ZIP code 52228 in Fairfax, IA has a population of 2,772 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 52228? ▼
The median household income in ZIP 52228 is $118,125, which is 55% above the national average of $76,288.
What is the average home value in ZIP 52228? ▼
The median home value in ZIP 52228 is $308,900, which is 11% above the national average of $278,155.
What is the demographic makeup of ZIP 52228? ▼
The largest racial group in ZIP 52228 is White at 90.5%. Hispanic or Latino residents make up 4.1% of the population.
How many businesses are in ZIP code 52228? ▼
ZIP code 52228 has 63 business establishments employing approximately 373 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 52228? ▼
The top industries by establishment count in ZIP 52228 are: Construction (19), Other services (except public administration) (11), Administrative and support and waste management and remediation services (6). There are 7 industry sectors represented in total.
How have home values changed in ZIP code 52228? ▼
According to the FHFA House Price Index, home values in ZIP 52228 decreased by 1.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 84%. 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 52228? ▼
In ZIP code 52228, 64.6% of residents aged 25+ have a high school diploma or higher, and 41.0% 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 52228? ▼
The mean commute time for workers in ZIP code 52228 is 21.7 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 52228? ▼
In ZIP code 52228, approximately 91.0% of occupied housing units are owner-occupied and 9.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 52228? ▼
The poverty rate in ZIP code 52228 is 4.8% 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.