Your credit score is one of the most important numbers in your financial life. It influences whether you’ll be approved for loans and credit cards, what interest rates you’ll pay, and even affects things like rental applications and insurance premiums. Despite its importance, many people don’t fully understand what goes into calculating their credit score or how their financial behaviors impact it.

If you’ve ever wondered why your credit score changed, or what you can do to improve it, understanding the factors that influence your score is the first step. This guide will break down the key elements that affect your credit score and provide actionable insights to help you build and maintain strong credit.

Understanding Credit Scores

Before diving into the factors, it’s helpful to understand what a credit score actually is. Your credit score is a three-digit number, typically ranging from 300 to 850, that represents your creditworthiness based on your credit history. Lenders use this score to assess the risk of lending you money.

The most commonly used credit scoring model is the FICO Score, though VantageScore is also widely used. While these models have slight differences, they generally evaluate the same core factors. Here’s how credit scores are typically categorized:

• Excellent: 800-850
• Very Good: 740-799
• Good: 670-739
• Fair: 580-669
• Poor: 300-579

Now let’s explore the specific factors that determine your credit score and how much weight each carries.

The Five Main Factors That Affect Your Credit Score

1. Payment History (35%)

Your payment history is the single most important factor affecting your credit score, accounting for 35% of your FICO Score calculation. This factor looks at whether you’ve paid your credit accounts on time.

What’s Included:

• Payment records for credit cards, retail accounts, installment loans, finance company accounts, and mortgage loans
• Public records such as bankruptcies, foreclosures, lawsuits, wage attachments, and liens
• Details on late or missed payments, including how late they were (30, 60, 90, or 120+ days past due)

Impact on Your Score: Even one missed payment can significantly damage your credit score, especially if you have a limited credit history. Late payments can remain on your credit report for up to seven years, though their impact diminishes over time. The more recent the late payment, the more it affects your score.

How to Improve:

• Set up automatic payments for at least the minimum amount due
• Use payment reminders through your bank or calendar
• If you miss a payment, get current as quickly as possible and stay current
• Contact creditors immediately if you’re having trouble making payments

2. Credit Utilization (30%)

Credit utilization, also called amounts owed, accounts for 30% of your credit score. This factor looks at how much of your available credit you’re currently using.

What’s Included:

• The total amount you owe across all accounts
• The amount owed on specific types of accounts
• How many accounts have balances
• Your credit utilization ratio (the percentage of available credit you’re using)

Understanding Credit Utilization Ratio: Your credit utilization ratio is calculated by dividing your total credit card balances by your total credit limits. For example, if you have $3,000 in credit card debt and $10,000 in total credit limits, your utilization ratio is 30%.

Impact on Your Score: Credit scoring models generally favor utilization ratios below 30%, with lower being better. High utilization suggests you may be overextended and pose a higher lending risk. Ideally, you should aim to keep your utilization below 10% for the best impact on your score.

How to Improve:

• Pay down credit card balances
• Keep credit card balances low even if you pay them off monthly
• Request credit limit increases (but don’t increase spending)
• Spread charges across multiple cards rather than maxing out one
• Pay your credit card balance multiple times per month to keep reported balances low

3. Length of Credit History (15%)

The length of your credit history accounts for 15% of your credit score. This factor considers how long you’ve been using credit.

What’s Included:

• How long your credit accounts have been established
• The age of your oldest account
• The age of your newest account
• The average age of all your accounts
• How long specific credit accounts have been established
• How long it’s been since you used certain accounts

Impact on Your Score: Generally, a longer credit history is better because it provides more data about your long-term financial behavior. However, people with shorter credit histories can still have good scores if the other factors are strong.

How to Improve:

• Keep old credit card accounts open, even if you don’t use them regularly
• Become an authorized user on a family member’s long-standing account (if they have good payment history)
• Avoid closing your oldest credit card accounts
• Use older accounts occasionally to keep them active
• Be patient (time is the only way to truly build credit history length)

4. Credit Mix (10%)

Credit mix accounts for 10% of your credit score and refers to the variety of credit types you have.

What’s Included:

• Credit cards (revolving credit)
• Retail accounts
• Installment loans (car loans, mortgages, student loans, personal loans)
• Finance company accounts
• Mortgage loans

Impact on Your Score: Having a diverse mix of credit types can positively impact your score because it demonstrates you can manage different types of credit responsibly. However, this is a relatively minor factor, and you shouldn’t open new accounts just to improve your credit mix.

How to Improve:

• Don’t worry too much about this factor if you’re just starting out
• If you only have credit cards, adding an installment loan (like an auto loan) over time may help
• Never take on debt you don’t need just to improve your credit mix
• Focus on the more important factors (payment history and utilization) first

5. New Credit (10%)

New credit, which accounts for 10% of your credit score, looks at how recently you’ve opened new accounts and how many recent inquiries appear on your credit report.

What’s Included:

• How many new accounts you have
• How long it’s been since you opened a new account
• How many recent credit inquiries you have
• Time since recent credit inquiries
• Whether you’ve recently re-established positive credit history after past payment problems

Understanding Hard vs. Soft Inquiries: Hard inquiries occur when you apply for credit and can temporarily lower your score by a few points. Multiple inquiries for the same type of loan (like mortgage or auto loan shopping) within a short period (typically 14-45 days) are usually counted as a single inquiry. Soft inquiries (like checking your own credit) don’t affect your score.

Impact on Your Score: Opening several new credit accounts in a short period can signal greater risk, especially for people with short credit histories. Each hard inquiry typically remains on your report for two years but only affects your score for about one year.

How to Improve:

• Apply for new credit only when necessary
• Avoid opening multiple accounts in a short time frame
• Do rate shopping for loans within a short window to minimize inquiry impact
• Check your own credit regularly (this doesn’t hurt your score)
• Wait at least six months between credit applications when possible

Additional Factors to Consider

While the five factors above are the primary components of your credit score, there are other elements that can indirectly affect your credit:

• Public Records: Bankruptcies, tax liens, and civil judgments can severely damage your credit score and remain on your report for seven to ten years.
• Collections Accounts: When accounts are sent to collections, they can significantly harm your credit score and remain on your report for up to seven years.
• Credit Report Errors: Mistakes on your credit report can negatively impact your score. Regularly review your credit reports from all three bureaus (Equifax, Experian, and TransUnion) and dispute any errors.

Common Credit Score Myths

• Myth: Checking your credit hurts your score. Truth: Checking your own credit is a soft inquiry and doesn’t affect your score. You should regularly monitor your credit.
• Myth: Closing old accounts helps your score. Truth: Closing accounts can actually hurt your score by reducing your available credit (increasing utilization) and potentially lowering the average age of your accounts.
• Myth: You need to carry a balance to build credit. Truth: You can build excellent credit by paying your balance in full every month. Carrying a balance only costs you money in interest.
• Myth: All debt is bad for your credit. Truth: Having some debt and managing it well can actually help your credit score by demonstrating responsible credit use.

Why Your Credit Score Matters

Understanding what affects your credit score is important because your score impacts many aspects of your financial life:

• Loan Approval: Lenders use your credit score to decide whether to approve your applications for mortgages, auto loans, personal loans, and credit cards.
• Interest Rates: Higher credit scores typically qualify for lower interest rates, saving you thousands of dollars over the life of a loan.
• Rental Applications: Many landlords check credit scores when evaluating potential tenants.
• Insurance Premiums: Some insurance companies use credit-based insurance scores to determine premiums.
• Employment: Certain employers check credit reports (though not scores) during the hiring process, especially for positions involving financial responsibilities.
• Security Deposits: Better credit may help you avoid or reduce security deposits for utilities and cell phone services.

Building and Maintaining Good Credit

Improving your credit score takes time and consistent effort, but the benefits are worth it. Here are key strategies:

• Pay all bills on time, every time. This is the single most important thing you can do for your credit score.
• Keep credit utilization low. Aim to use less than 30% of your available credit, with under 10% being ideal.
• Maintain a mix of credit types. But only take on debt you need and can manage responsibly.
• Avoid applying for too much new credit at once. Be strategic about when and why you apply for new accounts.
• Monitor your credit regularly. Check your credit reports at least annually and dispute any errors promptly.
• Be patient. Building excellent credit takes time, but good financial habits will steadily improve your score.

How Colorado Financial Advisors Can Help

At Colorado Financial Advisors, we understand that credit health is an important component of your overall financial picture. Since 1990, we’ve been helping Colorado families and individuals make informed financial decisions that support their long-term goals.

While we specialize in comprehensive financial planning, retirement planning, fee-based investment services, and life insurance, we recognize that good credit is often essential for achieving major financial milestones like buying a home, starting a business, or securing favorable loan terms.

Our holistic approach to financial planning means we consider all aspects of your financial life, including how credit decisions fit into your broader strategy. Whether you’re working to improve your credit score, planning a major purchase, or simply want to ensure your financial house is in order, we’re here to provide the guidance and support you need.

Take Control of Your Credit

Your credit score is not a mysterious number beyond your control. By understanding the factors that affect it and taking consistent, positive action, you can build and maintain excellent credit over time. Focus on paying bills on time, keeping balances low, maintaining a healthy mix of credit, and avoiding unnecessary new accounts.

Remember that improving your credit score is a marathon, not a sprint. Small, consistent actions add up over time to create significant improvements. Start by addressing the most important factors (payment history and credit utilization) and build from there.

Ready to take the next step in your financial journey? Contact Colorado Financial Advisors today to schedule a consultation. We’ll help you develop a comprehensive financial plan that supports your goals and sets you up for long-term success.

Your financial future is worth the effort, and we’re here to help you every step of the way.