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 Moderate-density area
- $118,125
- Median income Above-median income area
- $308,900
- Median home value Above-median home value
- 41.0%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 52228 (Fairfax, IA) fell -1.1% from 2023 to 2024. The all-transactions index moved from 185.7 in 2023 to 183.6 in 2024 (2000 = 100).
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 average Iowa ZIP), while per-capita income is $56,845. Both reported hardship measures are comparatively low in absolute terms: poverty is 4.8% and unemployment is 2.8%. Housing is both higher-cost and owner-heavy: median home value is $308,900 (76% above the average Iowa ZIP), while 91.0% of occupied homes are owner-occupied and median rent is $1,167.
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. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Linn County, so 52228 can be compared with both its immediate and county-level context.
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.
- Construction
Construction
19 establishments
- Other services (except public administration)
Other services (except public administration)
11 establishments
- Administrative and support and waste management and remediation services 6
Administrative and support and waste management and remediation services
6 establishments
- Retail trade 4
Retail trade
4 establishments
- Finance and insurance 4
Finance and insurance
4 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, 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
Who lives in ZIP 52228?
40.4
Median Age
52.4%
Male
47.6%
Female
2.8%
Foreign-Born
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 ZIP avg
$56,845
Per Capita Income
4.8%
Poverty Rate
2.8%
Unemployment Rate
21.7 min
Mean Commute Time
How ZIP 52228 ranks among Iowa ZIPs
Fairfax, IA household income vs. every Iowa ZIP code
Median household income among 911 reporting Iowa ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$118,125 Top 3% higher than 97% of 911 Iowa ZIPs
Each bar is a $20K-wide band; taller bars hold more Iowa 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
1,483housing units
1,483
Total Housing Units
1,416
Occupied Units
67
Vacant Units
2.69
Avg Household Size
Occupancy Type
$308,900
Median Home Value
+76% vs state ZIP avg
$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.
- 52404
Cedar Rapids (52404)
37,796 residents
- 52405
Cedar Rapids (52405)
23,621 residents
- 52411 6,896
Cedar Rapids (52411)
6,896 residents
- 52338 3,283
Swisher (52338)
3,283 residents
- 52228 2,772
Fairfax (52228)
2,772 residents
- 52206 2,303
Atkins (52206)
2,303 residents
- 52401 2,017
Cedar Rapids (52401)
2,017 residents
- 52203 1,932
Amana (52203)
1,932 residents
- 52351 1,455
Walford (52351)
1,455 residents
What this shows Among its immediate neighbors, ZIP 52228 ranks #5 by population - useful context the national average alone can't give.
ZIP 52228 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 52411
Cedar Rapids (52411)
$170,491 median income
- 52351
Walford (52351)
$128,750 median income
- 52338
Swisher (52338)
$119,605 median income
- 52228
Fairfax (52228)
$118,125 median income
- 52206
Atkins (52206)
$116,071 median income
- 52203
Amana (52203)
$101,950 median income
- 52318
Norway (52318)
$85,625 median income
- 52405
Cedar Rapids (52405)
$70,123 median income
- 52404 $61,870
Cedar Rapids (52404)
$61,870 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 52228, both outside IA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (2,772 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Linn County
Related Areas
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.
Related
Take this with you
What to do with ZIP 52228's numbers, next.
- See how ZIP 52228 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Fairfax, IA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.