Location: Shelby County, IA | Metro: Audubon County, IA
Based on 1% Rule: A+ (≥1.5%) | A (≥1.2%) | B (≥1.0%) | C (≥0.8%) | D (≥0.6%) | F (<0.6%)
| Unit Size | Monthly FMR |
|---|---|
| Studio | $690 |
| 1 Bedroom | $840 |
| 2 Bedrooms | $930 |
| 3 Bedrooms | $1,220 |
| 4 Bedrooms | $1,290 |
| 5 Bedrooms | $1,496 |
| 6 Bedrooms | $1,676 |
| 7 Bedrooms | $1,810 |
| 8 Bedrooms | $1,901 |
Zillow median home prices vs Section 8 FMR rates (Data: 2026-08-31)
| Bedrooms | Monthly FMR | Median Price | 1% Rule | Grade |
|---|---|---|---|---|
| 2BR | $930 | $173,554 | 0.54% | F |
| 3BR | $1,220 | $212,265 | 0.57% | F |
| 4BR | $1,290 | $227,453 | 0.57% | F |
U.S. Census Bureau data (2024)
The analysis of ZIP code 51531, which encompasses Elk Horn, IA, and the broader Shelby County, IA metro area, reveals several key points that are essential for landlords and small-portfolio investors.
First, regarding the rent math, it does not currently work in favor of landlords. The Fair Market Rent (FMR) for the metro area in fiscal year 2026 is set at $920. However, the actual market rent based on Census ACS data stands at $668. This discrepancy means that landlords aiming to meet the FMR may struggle to find tenants willing to pay the higher rate, while those setting rents according to the market face lower income compared to what might be expected based on government standards.
Second, the acquisition cost is relatively affordable. With a median home value of $201,498, potential investors can acquire properties at a reasonable price. However, the lack of data on days on market (DOM) and the percentage of homes that require price cuts to sell indicates a need for further investigation into the local real estate market dynamics. Without these metrics, it's challenging to predict how long it might take to sell a property or whether price adjustments will be necessary.
Third, there is a moderate level of tenant demand. The total population of the area is 889, with a renter share of 21.6%. This suggests that approximately 193 residents are likely to be seeking rental housing. While this number is not exceptionally high, it does provide a stable base of potential tenants for rental properties.
Verdict: ZIP 51531 presents a mixed opportunity for real-estate investment. The affordability of property acquisition is a positive factor, but the mismatch between FMR and market rent poses a challenge. Tenant demand is steady but limited due to the small population size. Investors should carefully consider these factors and possibly explore strategies such as offering competitive amenities or pricing below FMR to attract tenants. Additionally, understanding the local real estate market's nuances, particularly around sales timing and price flexibility, is crucial before making any purchase decisions.
Data Sources: FMR data from HUD (2027). Median home prices from Zillow (2026-08-31). Demographics from U.S. Census (2024).
About FMR: Fair Market Rent (FMR) is used to determine payment standards for the Section 8 Housing Choice Voucher program, initial renewal rents for some expiring project-based Section 8 contracts, and rent ceilings for HOME Investment Partnerships.