FY2027 Small Area FMR · Rock Valley, IA
ZIP 51247 Fair Market Rent & Payment Standards
HUD's FY2027 Small Area Fair Market Rent for a two-bedroom home in ZIP code 51247 (Rock Valley, IA) is $1,160 a month, up 6.4% from FY2026. That is 23% above the Lyon County, IA area-wide FMR of $945.
Payment standard range, 2 bedrooms
Housing agencies may set voucher payment standards anywhere from 90% to 110% of the FMR without asking HUD.
FY2027 FY2026
Where 51247 sits in the Lyon County, IA area
Of the 14 ZIP codes HUD lists for the area, 51247 has the 1st highest two-bedroom Small Area FMR. Lyon County, IA is not on HUD's list of mandatory Small Area FMR areas, so voucher payment standards here are normally based on the area-wide FMR of $945 for two bedrooms; an agency that opts in to Small Area FMRs would use $1,160 for this ZIP code instead.
ZIP code 51247 crosses more than one HUD area. HUD also lists it under Sioux County, IA (same figures). The figure that applies depends on which side of the line the home is.
All unit sizes
| Unit | FY2027 SAFMR | Payment standard range | Area-wide FMR | FY2026 SAFMR |
|---|---|---|---|---|
| Studio | $860 | $774 – $946 | $702 | $830 |
| 1 bedroom | $890 | $801 – $979 | $722 | $830 |
| 2 bedrooms | $1,160 | $1,044 – $1,276 | $945 | $1,090 |
| 3 bedrooms | $1,480 | $1,332 – $1,628 | $1,126 | $1,400 |
| 4 bedrooms | $1,580 | $1,422 – $1,738 | $1,242 | $1,520 |
A household renting a two-bedroom home at the Small Area FMR of $1,160 needs about $46,400 a year to keep housing costs at 30% of income. The area median family income is $96,600 and the 80% low-income limit for four people is $77,300. ZIP code 51247 lies mainly in Sioux County and Lyon County. See the Lyon County, IA county page for the full income limits table and the household check.
Nearby ZIP codes
Questions
What is the Fair Market Rent for ZIP code 51247?
HUD's FY2027 Small Area Fair Market Rents for 51247 are $860 (studio), $890 (1 BR), $1,160 (2 BR), $1,480 (3 BR) and $1,580 (4 BR) a month.
What is the Section 8 payment standard in 51247?
Housing agencies set payment standards between 90% and 110% of the applicable FMR without HUD approval. For a two-bedroom unit in 51247 that range is $1,044 to $1,276 if the agency uses Small Area FMRs. Ask your housing agency for its actual payment standard.
Which income limits apply in 51247?
The FY2026 income limits of the Lyon County, IA area apply: median family income $96,600, low-income (80%) limit $77,300 for a family of four.