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603 Credit score: What You Need to Know in 2025
July 1, 2025

TL;DR
A 603 credit score is a solid starting point for building a stronger financial profile. This score falls within the "fair" range on the FICO scale, putting you in a good position to improve and unlock more favorable lending terms in the future.
What Does a 603 Credit Score Mean?
A 603 credit score places you squarely in the 'fair' credit range according to the FICO model. While not considered 'poor,' this score is below the national average, signaling to lenders that you may pose a higher risk as a borrower. This perception can directly influence your ability to access new lines of credit and the terms you're offered.
Consequently, you might find it more challenging to get approved for loans or credit cards. Any credit you do secure will likely come with higher interest rates and less attractive terms, increasing your borrowing costs over time. Think of this score not as a final judgment, but as a clear starting point from which your credit profile can evolve and strengthen.
Who Has a 603 Credit Score?
While your age isn't a direct factor in your credit score, there's a clear trend of scores improving over time. According to 2023 Experian data, here is the breakdown of average FICO scores by generation:
- Generation Z (ages 18-26): 680 (Good)
- Millennials (ages 27-42): 690 (Good)
- Generation X (ages 43-58): 709 (Good)
- Baby Boomers (ages 59-77): 745 (Good)
- Silent Generation (ages 78+): 760 (Very Good)
Credit Cards With a 603 Credit Score
A credit score of 603 places you in the "fair" credit range, which can be a bit of a mixed bag when applying for new credit cards. While you're likely to be approved for some cards, you may find that your options are more limited compared to applicants with good or excellent credit. Lenders may offer you cards with higher interest rates, lower credit limits, or even require a security deposit to mitigate their risk.
To find the best card for your specific financial situation, Kudos offers personalized tools that match you with options based on your preferences and spending habits. These tools provide insights into how applying for a new card might affect your credit and help you weigh factors like annual fees against your budget.
Auto Loans and a 603 Credit Score
A 603 credit score places you in the non-prime borrower category, meaning you can likely still secure an auto loan. However, you should anticipate higher interest rates than applicants with stronger credit profiles.
According to an analysis of Experian data, here are the average auto loan interest rates broken down by credit score bracket:
- Super-prime (781-850): 5.25% for new cars and 7.13% for used cars
- Prime (661-780): 6.87% for new cars and 9.36% for used cars
- Non-prime (601-660): 9.83% for new cars and 13.92% for used cars
- Subprime (501-600): 13.18% for new cars and 18.86% for used cars
- Deep subprime (300-500): 15.77% for new cars and 21.55% for used cars
Mortgages at a 603 Credit Score
With a 603 credit score, your mortgage options are limited but not nonexistent. You likely won't qualify for a conventional loan, which typically requires a score of at least 620. However, you fall within the range for an FHA loan, which allows scores of 580 or higher with a minimum 3.5% down payment. According to mortgage guidelines, some VA or USDA lenders might also consider your application, though many prefer higher scores.
A 603 score directly impacts your loan terms. You can expect a higher interest rate than borrowers with better credit, increasing your monthly payment and total interest paid. For an FHA loan, you will also be required to pay mortgage insurance premiums. Lenders will likely scrutinize your finances more closely, including your income, debt, and savings, to offset the risk associated with a lower score.
What's in a Credit Score?
Figuring out what goes into your credit score can feel like trying to solve a complex puzzle, but it's primarily based on a handful of key financial habits. The most common factors include:
- Your payment history tracks whether you have paid past credit accounts on time.
- Credit utilization is the percentage of your available credit that you are currently using.
- The length of your credit history considers the age of your oldest account and the average age of all your accounts.
- Having a healthy mix of credit types, such as credit cards and installment loans, can positively impact your score.
- Recent credit inquiries and newly opened accounts can temporarily lower your score.
How to Improve Your 603 Credit Score
It is always possible to improve your credit score with consistent effort and the right strategy, and there are several proven methods to help boost your creditworthiness. For those with a 603 credit score, focusing on a few key areas can lead to meaningful changes in as little as three to six months.
- Establish Automatic Bill Payments. Since payment history is the most significant factor in your score, automating payments ensures you never miss a due date. This prevents late payments from further damaging your 603 score and starts building a positive track record.
- Reduce Your Credit Utilization Ratio. High balances relative to your credit limits can significantly lower your score, and keeping this ratio below 30% is a key goal. Paying down your card balances is one of the fastest ways to see a positive change in your credit score.
- Monitor Your Credit Reports Regularly. Errors on your credit report can unfairly drag down your score, so finding and disputing them can provide a quick boost. Regularly checking also allows you to track your progress and spot any signs of identity theft early.
- Become an Authorized User. By being added to someone else's well-managed credit card, their positive payment history and low utilization can be added to your credit file. This can help lengthen your credit history and lower your overall utilization ratio, both of which are beneficial for a 603 score.
You can also use a tool like Kudos to help you use your credit cards more strategically as you work to improve your score.
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